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Index: E
- e (constant)
: sed & awk, 9.1.1. Trigonometric Functions
- -e option (sed)
- sed & awk, 2.3.1. Specifying Simple Instructions
- sed & awk, 2.3.2.3. Mixing options (POSIX)
- EBCDIC
- Learning the Korn Shell, 1.6.2. Filenames and Wildcards
- UNIX Power Tools, 35.12. Converting Between ASCII and EBCDIC
- echo command
- Learning the Korn Shell, Summary of Korn Shell Features
- Learning the Korn Shell, 1.4. Getting the Korn Shell
- Learning the Korn Shell, 3.4. Shell Variables
- Learning the Korn Shell, 7.2.1. print
- Learning the Korn Shell, A.1. The Bourne Shell
- UNIX Power Tools, 6.8. Shell Variables
- UNIX in a Nutshell, Chapter 2, Reference: echo
- UNIX in a Nutshell, Chapter 4, Reference: echo
- UNIX in a Nutshell, Chapter 5, Reference: echo
- in bash cells
: UNIX Power Tools, 46.10. A Portable echo Command
- in Bourne shell scripts
: UNIX Power Tools, 44.12. Trapping Exits Caused by Interrupts
- in C shell
: UNIX Power Tools, 47.2.1.1. Writing Files
- combining two
: UNIX Power Tools, 45.30.2. Using echo with awk, colrm, or cut
- command-line options
: UNIX Power Tools, 8.6. Output Command-Line Arguments
- control characters used with
- UNIX Power Tools, 45.35.1. With echo
- UNIX Power Tools, 45.35.2. With tr and echo
- creating error messages
: UNIX Power Tools, 8.6.2. Making Error Messages
- debugging using
: UNIX Power Tools, 46.2. Quoting Trouble? Think, Then Use echo
- -E, -e options
: UNIX Power Tools, 46.10. A Portable echo Command
- escape sequences interpreted by
: UNIX Power Tools, 46.10. A Portable echo Command
- examples
- UNIX Power Tools, 44.5. Test String Values with Bourne Shell case
- UNIX Power Tools, 44.12. Trapping Exits Caused by Interrupts
- UNIX Power Tools, 44.18. Standard Command-Line Parsing
- UNIX Power Tools, 45.27. Turn Off echo for "Secret" Answers
- UNIX Power Tools, 47.2.1.1. Writing Files
- UNIX Power Tools, 47.2.4. Quoting
- external versions of
: UNIX Power Tools, 8.11. Which One Will bash Use?
- interpreting octal numbers
: UNIX Power Tools, 45.35.1. With echo
- -n option
: UNIX Power Tools, 46.10. A Portable echo Command
- sending escape sequences
: UNIX Power Tools, 41.9. Commands to Adjust Your Terminal
- shell scripts using
: UNIX Power Tools, 45.27. Turn Off echo for "Secret" Answers
- showing values of variables
: UNIX Power Tools, 6.1. What Environment Variables Are Good For
- turning off
: UNIX Power Tools, 45.27. Turn Off echo for "Secret" Answers
- versions of
- Learning the Korn Shell, 7.2.1. print
- UNIX Power Tools, 46.10. A Portable echo Command
- writing special escape sequences
: UNIX Power Tools, 7.6. Session Information in Your Terminal's Status Line
- echo flag, turning off
: UNIX Power Tools, 41.2.2. Handling Most Characters
- echo shell variable
- UNIX Power Tools, 6.9. Special C Shell Variables
- UNIX Power Tools, 8.17. verbose and echo Variables Show Quoting
- UNIX in a Nutshell, 5.3.3. Predefined Shell Variables
- echoing, smart
: UNIX Power Tools, 41.5. Why Some Systems Backspace over Prompts
- ed editor
- Learning the Korn Shell, 3.5.1. Environment Variables
- Learning the Korn Shell, 4.3.2.2. Korn shell versus awk/egrep regular expressions
- Learning the Korn Shell, 7.1.1. Here-documents
- Learning the Korn Shell, 9. Debugging Shell Programs
- sed & awk, 2. Understanding Basic Operations
- UNIX in a Nutshell, Chapter 2, Reference: ed
- diff command and
: UNIX Power Tools, 28.9. ex Scripts Built by diff
- file size limits
: UNIX Power Tools, 33.8. Batch Editing Gotcha: Editors Bomb on Big Files
- no matches
: UNIX Power Tools, 33.7. ed/ex Batch Edits: Avoid Errors When No Match
- ediff script
- UNIX Power Tools, 28.8. More Friendly diff Output
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- edit command
: UNIX in a Nutshell, Chapter 2, Reference: edit
- edit command (dbx)
: UNIX in a Nutshell, Chapter 20, Reference: edit
- edit command (ex)
: UNIX in a Nutshell, Chapter 9, Reference: edit
- edit command (SCCS)
- UNIX Power Tools, 20.13. SCCS Basics
- UNIX in a Nutshell, 17.6.2. Pseudo-commands
- editing
- bfs command
: UNIX in a Nutshell, Chapter 2, Reference: bfs
- combining with movement (vi)
: Learning the vi Editor, 4.1. More Command Combinations
- compressed files
: UNIX Power Tools, 24.11. Edit Compressed Files with zvi, zex, and zed
- ex commands for
: (see ex commands; ex editor)
- with file comparisons
: UNIX Power Tools, 28.9. ex Scripts Built by diff
- files, restrictions on
: UNIX in a Nutshell, Chapter 2, Reference: red
- paired item checking
: UNIX Power Tools, 29.9. Looking for Closure
- pipelined edits
: sed & awk, 4.4.4. Edits To Go
- with power tools
: UNIX Power Tools, 1.6. Power Tools for Editing
- sed commands
: (see sed editor)
- spell checking
: (see spell checking)
- vi commands for
: (see vi commands)
- EDITOR variable
- Learning the Korn Shell, 3.4.2.1. Editing mode variables
- Learning the Korn Shell, 3.5.1. Environment Variables
- UNIX Power Tools, 6.3. Predefined Environment Variables
- UNIX in a Nutshell, 4.3.3. Other Shell Variables
- editors
- ed
: (see ed editor)
- Emacs
: (see Emacs editor)
- ex
: (see ex editor; ex editor)
- patch program
: (see patch program)
- qsubst program
- UNIX Power Tools, 33.10. Quick Globals from the Command Line with qsubst
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- scripting line editors
: UNIX Power Tools, 33.1. Why Line Editors Aren't Dinosaurs
- sed (stream editor)
: (see sed editor)
- vi
: (see vi commands; vi editor)
- egrep command
- Learning the Korn Shell, 4.3.2. Patterns and Regular Expressions
- Learning the Korn Shell, 4.3.2.1. Regular expression basics
- Learning the Korn Shell, 4.3.2.2. Korn shell versus awk/egrep regular expressions
- UNIX Power Tools, 17.21. lookfor: Which File Has that Word?
- UNIX Power Tools, 26.4.11. Extended Regular Expressions
- UNIX Power Tools, 27.5. Extended Searching for Text with egrep
- UNIX Power Tools, 27.9. New greps Are Much Faster
- UNIX Power Tools, 27.16. Faking Case-Insensitive Searches
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- sed & awk, 3. Understanding Regular Expression Syntax
- UNIX in a Nutshell, Chapter 2, Reference: egrep
- | (vertical bar)
: UNIX Power Tools, 27.5. Extended Searching for Text with egrep
- examples
: UNIX Power Tools, 50.3. apropos on Systems Without apropos
- expressions
- UNIX Power Tools, 27.5. Extended Searching for Text with egrep
- UNIX Power Tools, 48.4. Automatic Reminders and More: calendar
- UNIX Power Tools, 48.2. Online Phone and Address Lists
- -f option
: UNIX Power Tools, 27.7. grepping for a List of Patterns
- -i option
: UNIX Power Tools, 50.6. Searching Online Manual Pages
- pattern-matching metacharacters
: UNIX in a Nutshell, 6.2. Metacharacters, Listed by UNIX Program
- picking the processes to kill
: UNIX Power Tools, 38.13. Interactively Kill Processes Matching a Pattern
- searching manual pages
: UNIX Power Tools, 50.6. Searching Online Manual Pages
- eight-bit filenames
: UNIX Power Tools, 23.15. Using unlink to Remove a File with a Strange Name
- elapsed time
- UNIX Power Tools, 39.2. Timing Programs
- UNIX Power Tools, 39.5. Why Is the System So Slow?
- ELF files, converting to COFF
: UNIX in a Nutshell, Chapter 2, Reference: cof2elf
- elif
: (see if)
- elookfor script
- UNIX Power Tools, 17.21. lookfor: Which File Has that Word?
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- else statement
: (see if statements)
- em-dashes
: UNIX Power Tools, 43.21. Preprocessing troff Input with sed
- emacs editor
- Learning the Korn Shell, 2. Command-line Editing
- Learning the Korn Shell, 2.3. Emacs Editing Mode
- Learning the Korn Shell, 2.3.1. Basic Commands
- Learning the Korn Shell, 2.3.5. Filename Completion and Expansion
- Learning the Korn Shell, 2.3.6. Miscellaneous Commands
- Learning the Korn Shell, 2.4.6. Filename Completion
- Learning the Korn Shell, 2.6. Finger Habits
- Learning the Korn Shell, 3.1. The .profile File
- Learning the Korn Shell, 3.4.2.4. Terminal Types
- Learning the Korn Shell, 3.5.1. Environment Variables
- Learning the Korn Shell, 4.3.2. Patterns and Regular Expressions
- Learning the Korn Shell, 4.3.2.1. Regular expression basics
- Learning the Korn Shell, 4.4. Command Substitution
- Learning the Korn Shell, 9. Debugging Shell Programs
- Learning the Korn Shell, A.4. pdksh
- Learning the UNIX Operating System, 4.1. Methods of Creating Files
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- UNIX in a Nutshell, 7. The Emacs Editor
- abbreviations
: UNIX Power Tools, 32.11. Using Word Abbreviation Mode
- advantages over other editors
: UNIX Power Tools, 32.1. Emacs: The Other Editor
- auto-save file
: UNIX Power Tools, 32.4. Backup and Auto-Save Files
- backup file
: UNIX Power Tools, 32.4. Backup and Auto-Save Files
- C shell's PWD and
: UNIX Power Tools, 32.9. Unset PWD Before Using Emacs
- command completion
: UNIX Power Tools, 32.6. Command Completion
- commands
: Learning the Korn Shell, B.7. Emacs Mode Commands
- directory for
: UNIX Power Tools, 4.4. Directories for Emacs Hacks
- global initialization file
: UNIX Power Tools, 32.3. Customizations and How to Avoid Them
- GNU emacs
- Learning the Korn Shell, 2.3.6. Miscellaneous Commands
- Learning the Korn Shell, 3.1. The .profile File
- Learning the Korn Shell, A.5. bash
- Gosling (Unipress) emacs
: Learning the Korn Shell, 2.3.6. Miscellaneous Commands
- insert mode versus overwrite
: UNIX Power Tools, 32.5. Putting Emacs in Overwrite Mode
- key mapping
: UNIX Power Tools, 32.7. Mike's Favorite Time Savers
- mouse-based editors versus
: UNIX Power Tools, 32.2. Emacs Features: A Laundry List
- quoting control characters
: UNIX Power Tools, 32.10. Inserting Binary Characters into Files
- pattern-matching metacharacters
: UNIX in a Nutshell, 6.2. Metacharacters, Listed by UNIX Program
- search commands
: Learning the Korn Shell, 2.3.4. Moving Around in the History File
- search customizations
: UNIX Power Tools, 32.8. Rational Searches
- temporary files generated by
: UNIX Power Tools, 14.11. Finding (Anyone's) Home Directory, Quickly
- x-on/x-off flow control
: UNIX Power Tools, 32.12. Getting Around Emacs Flow Control Problems
- .emacs file
- UNIX Power Tools, 32.3. Customizations and How to Avoid Them
- UNIX Power Tools, 32.11.2. Making Word Abbreviations Part of Your Startup
- emacs mode command-line editing
- Learning the Korn Shell, Korn Shell Versions
- Learning the Korn Shell, Summary of Korn Shell Features
- Learning the Korn Shell, 2.3. Emacs Editing Mode
- Learning the Korn Shell, 7.2.1.2. Options to print
- Learning the Korn Shell, 10.2.3. Types of Global Customization
- Learning the Korn Shell, A.4. pdksh
- UNIX Power Tools, 11.13. Shell Command-Line Editing
- basic commands
: Learning the Korn Shell, 2.3.1. Basic Commands
- case-changing commands
: Learning the Korn Shell, 2.3.6. Miscellaneous Commands
- enabling
: Learning the Korn Shell, 2.1. Enabling Command-line Editing
- exchanging point and mark
: Learning the Korn Shell, 2.3.6. Miscellaneous Commands
- filename completion/expansion
: Learning the Korn Shell, 2.3.5. Filename Completion and Expansion
- history file commands
: Learning the Korn Shell, 2.3.4. Moving Around in the History File
- key customization in next ksh release
: Learning the Korn Shell, A.7. The Future of the Korn Shell
- keyboard shortcuts with aliases
: Learning the Korn Shell, 2.3.7. Keyboard Shortcuts with Aliases
- line commands
: Learning the Korn Shell, 2.3.3. Line Commands
- mark
: Learning the Korn Shell, 2.3.6. Miscellaneous Commands
- point (dot)
: Learning the Korn Shell, 2.3.1. Basic Commands
- repeat counts
: Learning the Korn Shell, 2.3.6. Miscellaneous Commands
- searching the history file
: Learning the Korn Shell, 2.3.4. Moving Around in the History File
- terminal requirements
: Learning the Korn Shell, 2.3.1. Basic Commands
- transpose characters command
: Learning the Korn Shell, 2.3.6. Miscellaneous Commands
- useful command subset
: Learning the Korn Shell, 2.6. Finger Habits
- word commands
: Learning the Korn Shell, 2.3.2. Word Commands
- in workalike shells
: Learning the Korn Shell, A.6. Workalikes on PC Platforms
- .emacs_ml file
- UNIX Power Tools, 32.7. Mike's Favorite Time Savers
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- email (electronic mail)
- Learning the Korn Shell, 1.5.1. Commands, Arguments, and Options
- Learning the Korn Shell, 1.7.1. Standard I/O
- Learning the Korn Shell, 3.1. The .profile File
- Learning the Korn Shell, 3.4.2.2. Mail Variables
- Learning the Korn Shell, 3.5.1. Environment Variables
- Learning the Korn Shell, 4.4. Command Substitution
- Learning the Korn Shell, 7.1.1. Here-documents
- Learning the Korn Shell, 7.2.2.5. Options to read
- Learning the Korn Shell, 8.4.1. Traps and Functions
- Learning the Korn Shell, 8.4.2. Process ID Variables and Temporary Files
- Learning the Korn Shell, 8.4.4. Resetting Traps
- Learning the Korn Shell, A.1. The Bourne Shell
- Learning the UNIX Operating System, 3.4. Electronic Mail
- aliases, displaying addresses for
: UNIX in a Nutshell, Chapter 2, Reference: mailalias
- dead.letter
: Learning the Korn Shell, 8.4.2. Process ID Variables and Temporary Files
- mail command
- UNIX Power Tools, 1.33. UNIX Networking and Communications
- UNIX in a Nutshell, Chapter 2, Reference: mail
- MAIL variable
- Learning the Korn Shell, 3.4.2.2. Mail Variables
- Learning the Korn Shell, 3.5.1. Environment Variables
- UNIX Power Tools, 6.9. Special C Shell Variables
- UNIX in a Nutshell, 4.3.3. Other Shell Variables
- UNIX in a Nutshell, 5.3.3. Predefined Shell Variables
- UNIX in a Nutshell, 5.3.5. Environment Variables
- as array
: UNIX Power Tools, 47.5. Using C Shell Arrays
- mail.base program
: UNIX Power Tools, 48.10. Working with Names and Addresses
- mailalias command
: UNIX in a Nutshell, Chapter 2, Reference: mailalias
- mailavg script (example)
: sed & awk, 13.4. mailavg - Check Size of Mailboxes
- mailboxes, disk space and
: UNIX Power Tools, 24.2. Save Space with Bit Bucket Log Files and Mailboxes
- MAILCHECK variable
- Learning the Korn Shell, 3.4.2.2. Mail Variables
- UNIX Power Tools, 21.8.2. For Bourne Shell Users
- UNIX in a Nutshell, 4.3.3. Other Shell Variables
- MAILPATH variable
- Learning the Korn Shell, 3.4.2.2. Mail Variables
- Learning the Korn Shell, 3.4.2.5. Command Search Path
- Learning the Korn Shell, 3.5.1. Environment Variables
- Learning the Korn Shell, 4.5. Advanced Examples: pushd and popd
- Learning the Korn Shell, A.6. Workalikes on PC Platforms
- UNIX Power Tools, 21.8.2. For Bourne Shell Users
- UNIX in a Nutshell, 4.3.3. Other Shell Variables
- .mailrc
: Learning the Korn Shell, 7.1. I/O Redirectors
- mailx command
: UNIX in a Nutshell, Chapter 2, Reference: mailx
- message headers
: Learning the UNIX Operating System, 3.4.2. Reading Your Mail
- multiple mailboxes
: UNIX Power Tools, 21.8.1.1. Multiple Mailboxes
- notification of
: UNIX Power Tools, 21.8. The MAILCHECK and mail Variables Check More than Mail
- sending command output
: Learning the UNIX Operating System, 5.2.2. sort
- sending files
: Learning the UNIX Operating System, 6.1. Running a Command in the Background
- email messages
- automatic replies to
: UNIX in a Nutshell, Chapter 2, Reference: vacation
- dead.letter
: Learning the Korn Shell, 8.4.2. Process ID Variables and Temporary Files
- database files for
: UNIX in a Nutshell, Chapter 2, Reference: gencat
- encoding binary files for
: UNIX in a Nutshell, Chapter 2, Reference: uuencode
- internationalizing
: UNIX in a Nutshell, Chapter 2, Reference: exstr
- new, notifying user of
: UNIX in a Nutshell, Chapter 2, Reference: notify
- queues, removing
: UNIX in a Nutshell, Chapter 2, Reference: ipcrm
- reading
- UNIX in a Nutshell, Chapter 2, Reference: mail
- UNIX in a Nutshell, Chapter 2, Reference: mailx
- retrieving from files
: UNIX in a Nutshell, Chapter 2, Reference: gettxt
- searching contents of
: UNIX in a Nutshell, Chapter 2, Reference: srchtxt
- searching for
: UNIX in a Nutshell, Chapter 2, Reference: gettxt
- sending
- UNIX in a Nutshell, Chapter 2, Reference: mail
- UNIX in a Nutshell, Chapter 2, Reference: mailx
- to all users
: UNIX in a Nutshell, Chapter 2, Reference: wall
- permission status
: UNIX in a Nutshell, Chapter 2, Reference: mesg
- reminders to oneself
: UNIX Power Tools, 40.11. Send Yourself Reminder Mail
- emoticons
: UNIX Power Tools, 51.12. You Don't Have Enough Smileys?
- empty files
- UNIX Power Tools, 13.14. What Can You Do with an Empty File?
- UNIX Power Tools, 21.7. Setting File Modification Time with touch
- emptying files
: UNIX Power Tools, 24.1. Instead of Removing a File, Empty It
- enable command
: UNIX Power Tools, 8.11. Which One Will bash Use?
- encoded files, recreating original file
: UNIX in a Nutshell, Chapter 2, Reference: uudecode
- encoding arguments in termcap or terminfo entries
: UNIX Power Tools, 41.11.2. Encoding Arguments
- encryption
- UNIX Power Tools, 22.17. Ways of Improving the Security of crypt
- UNIX in a Nutshell, Chapter 2, Reference: vi
- creating keys
: UNIX in a Nutshell, Chapter 2, Reference: makekey
- files
: UNIX in a Nutshell, Chapter 2, Reference: crypt
- end command (csh)
: UNIX in a Nutshell, Chapter 5, Reference: end
- end of line
: (see $ (dollar sign))
- end of word
: (see \<; \>)
- End of file unexpected
- UNIX Power Tools, 46.1. Tips for Debugging Shell Scripts
- UNIX Power Tools, 46.1.2. Unmatched Operators
- END procedure
: sed & awk, 11.1.6. Control Flow
- end-of-file (EOF) character
: UNIX Power Tools, 13.14. What Can You Do with an Empty File?
- end-of-input character
: UNIX Power Tools, 38.4. Subshells
- end-of-line processing
: UNIX Power Tools, 5.11. Initializing the Terminal with tset
- ENDFILE procedure (tawk)
: sed & awk, 11.3.2.1. Tawk language extensions
- endif command (csh)
: UNIX in a Nutshell, Chapter 5, Reference: endif
- "Ending delimiter missing" error
: sed & awk, 2.3.1.1. Command garbled
- enscript program
: UNIX Power Tools, 43.22. Converting Text Files to PostScript
- .enter file
: UNIX Power Tools, 14.14. Automatic Setup When You Enter/Exit a Directory
- enter pseudo-command (sccs)
: UNIX in a Nutshell, 17.6.2. Pseudo-commands
- .enter.csh script
: UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- .enter.sh script
: UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- entomb system
: UNIX Power Tools, 23.9. delete: Protecting Files from Accidental Deletion
- ENV variable
- Learning the Korn Shell, 3.5.2. The Environment File
- Learning the Korn Shell, 10.2.3. Types of Global Customization
- Learning the Korn Shell, A.1. The Bourne Shell
- UNIX Power Tools, 2.11. Faster ksh and bash Startup with $- Test
- UNIX Power Tools, 6.3. Predefined Environment Variables
- UNIX in a Nutshell, 4.3.3. Other Shell Variables
- command subsitution in next ksh release
: Learning the Korn Shell, A.7. The Future of the Korn Shell
- in privileged mode
: Learning the Korn Shell, 10.3.4. Privileged Mode
- env command
- UNIX Power Tools, 6.1. What Environment Variables Are Good For
- UNIX Power Tools, 6.8. Shell Variables
- UNIX Power Tools, 14.10. Variables Help You Find Directories and Files
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- UNIX in a Nutshell, Chapter 2, Reference: env
- ENVIRON variable
- sed & awk, 8.6. System Variables That Are Arrays
- sed & awk, 8.6.2. An Array of Environment Variables
- environment
- Learning the Korn Shell, 3. Customizing Your Environment
- Learning the UNIX Operating System, 1.1. Working in the UNIX Environment
- UNIX Power Tools, 38.3. Managing Processes: Overall Concepts
- modifying
: UNIX Power Tools, 44.23. Reading Files with the . and source Commands
- temporary changes in
: UNIX Power Tools, 13.7.2. Temporary Change of Directory and Environment
- writing into temporary files
: UNIX Power Tools, 40.4. Choosing the Shell Run (We Hope) by at
- environment files
: Learning the Korn Shell, 3.5.2. The Environment File
- compared to .profile
: Learning the Korn Shell, 3.5.2. The Environment File
- creating
: Learning the Korn Shell, 3.5.2. The Environment File
- customization in next ksh release
: Learning the Korn Shell, A.7. The Future of the Korn Shell
- lack of system-wide
: Learning the Korn Shell, 10.2.3. Types of Global Customization
- in
: Learning the Korn Shell, 10.3.4. Privileged Mode
- security holes in
: Learning the Korn Shell, 10.3.2. A System Break-in Scenario
- in subshells
: Learning the Korn Shell, 8.6.1. Subshell Inheritance
- environment variables
- Learning the Korn Shell, 3.4. Shell Variables
- Learning the Korn Shell, 3.5.1. Environment Variables
- UNIX Power Tools, 2.12. Automatic Setups for Different Terminals
- UNIX Power Tools, 14.10. Variables Help You Find Directories and Files
- UNIX Power Tools, 45.24. A Shell Can Read a Script from its Standard Input, But...
- sed & awk, 8.6.2. An Array of Environment Variables
- UNIX in a Nutshell, 5.3.5. Environment Variables
- (see also built-in variables)
- (see also under specific variable names)
- advantages
: UNIX Power Tools, 6.1. What Environment Variables Are Good For
- in Bourne shell
: UNIX Power Tools, 47.2.5. Variable Syntax
- in C shell
: UNIX Power Tools, 47.2.5. Variable Syntax
- changed inside redirected loops
: UNIX Power Tools, 45.23. The Ins and Outs of Redirected I/O Loops
- creating
: Learning the Korn Shell, 3.5.1. Environment Variables
- printing values of
: UNIX in a Nutshell, Chapter 2, Reference: printenv
- read-only variables in restricted shell
: Learning the Korn Shell, 10.3.1. Restricted Shell
- setting
: UNIX Power Tools, 2.2.2. C Shell
- showing
: Learning the Korn Shell, 3.5.1. Environment Variables
- visibility in subshells
: Learning the Korn Shell, 4.1. Shell Scripts and Functions
- epsffit program
: UNIX Power Tools, 43.24. Other PostScript Utilities
- Eqn preprocessor
: UNIX in a Nutshell, 16.2. Eqn
- equations
- UNIX Power Tools, 43.12.1. troff
- UNIX Power Tools, 43.12.2. TeX
- formatting in nroff/troff
: UNIX in a Nutshell, 16.2. Eqn
- equivalence classes
: sed & awk, 3.2.4.3. POSIX character class additions
- erase character
- Learning the UNIX Operating System, 1.1.7. Correcting a Mistake
- UNIX Power Tools, 5.9. Setting Your Erase, Kill, and Interrupt Characters
- UNIX Power Tools, 41.2.2. Handling Most Characters
- BACKSPACE
: (see BACKSPACE key)
- DELETE
: (see DEL key)
- erasing
: (see deleting)
- EREs (extended regular expressions)
: sed & awk, 3.2.4.3. POSIX character class additions
- ERRNO variable
- sed & awk, 11.2.3.8. Additional variables
- UNIX in a Nutshell, 4.3.2. Built-in Shell Variables
- obsolescence in next ksh release
: Learning the Korn Shell, A.7. The Future of the Korn Shell
- error messages
- sed & awk, 11.2.1.4. Special filenames
- sed & awk, 12.3.4. A Function for Reporting Errors
- awk
: sed & awk, 2.4.2. Error Messages
- capturing for screen
: UNIX Power Tools, 42.8. Errors Erased Too Soon? Try These Workarounds
- "command garbled"
- sed & awk, 2.3.1.1. Command garbled
- sed & awk, 5.1. About the Syntax of sed Commands
- creating
: UNIX Power Tools, 8.6.2. Making Error Messages
- formatting
: UNIX in a Nutshell, Chapter 2, Reference: fmtmsg
- installation process
: UNIX Power Tools, 52.8.2.6. An Easy Build
- program names included in
: UNIX Power Tools, 44.22. Finding a Program Name; Multiple Program Names
- scrolling off screen
: UNIX Power Tools, 13.4. Problems Piping to a Pager
- sed
: sed & awk, 2.3.1.1. Command garbled
- errors
- UNIX Power Tools, 44.9. Testing Your Success
- (see also debugging; standard error)
- Arguments too long
: UNIX Power Tools, 9.20. Too Many Files for the Command Line
- "Arguments too long"
: UNIX Power Tools, 9.23. Workaround for "Arguments too long" Error
- on command line
- Learning the UNIX Operating System, 1.1.7. Correcting a Mistake
- (see also troubleshooting)
- debugging
: sed & awk, 10.7. Debugging
- handled in C shell
: UNIX Power Tools, 47.2.7. Error Handling
- in redirected loops
: UNIX Power Tools, 45.23. The Ins and Outs of Redirected I/O Loops
- "No match"
: UNIX Power Tools, 15.4. What if a Wildcard Doesn't Match?
- spelling, finding (example)
: sed & awk, 12.1. An Interactive Spelling Checker
- storing with logerrs script
: UNIX Power Tools, 13.16. Store and Show Errors with logerrs
- syntax errors
- in numeric tests
: UNIX Power Tools, 46.4. Stop Syntax Errors in Numeric Tests
- in string tests
: UNIX Power Tools, 46.5. Stop Syntax Errors in String Tests
- esac command (ksh, sh)
: UNIX in a Nutshell, Chapter 4, Reference: esac
- ESCAPE key
: Learning the vi Editor, 2.1. vi Commands
- for file completion
: UNIX Power Tools, 9.9. Don't Match Useless Files in Filename Completion
- ESC Z string
: UNIX Power Tools, 5.5. Querying Your Terminal Type: qterm
- in vi
: sed & awk, 5.6. List
- escape sequences
- UNIX Power Tools, 5.8. Terminal Escape Sequences
- UNIX Power Tools, 41.9. Commands to Adjust Your Terminal
- (see also backslash)
- awk
- sed & awk, 7.6. Expressions
- sed & awk, 11.1.1. Escape Sequences
- sed & awk, B.2.5.2. Escape sequences
- backslash character and
: UNIX Power Tools, 8.6.1. Portability
- copied into files
: UNIX Power Tools, 51.5. Copy What You Do with script
- displaying
: UNIX in a Nutshell, Chapter 2, Reference: col
- echo command interpreting
: UNIX Power Tools, 46.10. A Portable echo Command
- prompt settings and
: UNIX Power Tools, 7.8. Highlighting in Shell Prompts
- removing
: UNIX Power Tools, 43.19. Removing Leading Tabs and Other Trivia
- writing with echo command
: UNIX Power Tools, 7.6. Session Information in Your Terminal's Status Line
- /etc directory
- /etc/hosts
: Learning the Korn Shell, 7.2.2.3. Code blocks
- /etc/motd script
: UNIX Power Tools, 2.14. motd.diff: Show New Lines in Login Messages
- /etc/passwd file
- Learning the Korn Shell, 1.7.3. Pipelines
- Learning the Korn Shell, 7.1.1. Here-documents
- Learning the Korn Shell, 7.3.1. Quoting
- Learning the Korn Shell, 7.3.2.1. The C Compiler as Pipeline
- Learning the Korn Shell, 10.3.1. Restricted Shell
- UNIX Power Tools, 1.23. File Access Permissions
- UNIX Power Tools, 50.12. Common UNIX Error Messages
- UNIX in a Nutshell, 5.2.1. Special Files
- /etc/profile file
- Learning the Korn Shell, 5.3. case
- Learning the Korn Shell, 5.4. select
- Learning the Korn Shell, 6.3.4. Type and Attribute Options
- Learning the Korn Shell, 7.2.2.1. Reading lines from files
- Learning the Korn Shell, 10.2. Environment Customization
- Learning the Korn Shell, 10.2.3. Types of Global Customization
- UNIX in a Nutshell, 4.2.1. Special Files
- (see also shell variables)
- /etc/shells file
: UNIX Power Tools, 2.16. Approved Shells: Using Unapproved Login Shell
- /etc/suid_profile
: Learning the Korn Shell, 10.3.4. Privileged Mode
- /etc/termcap file
- Learning the Korn Shell, 3.4.2.4. Terminal Types
- Learning the vi Editor, 7.1. Customizing vi
- /etc/ttys file
: UNIX Power Tools, 2.12. Automatic Setups for Different Terminals
- /etc/ttytab file
: UNIX Power Tools, 2.12. Automatic Setups for Different Terminals
- eval command
- Learning the Korn Shell, 7.3.2. eval
- UNIX Power Tools, 5.3. Setting the Terminal Type When You Log In
- UNIX in a Nutshell, Chapter 4, Reference: eval
- UNIX in a Nutshell, Chapter 5, Reference: eval
- advantages
: UNIX Power Tools, 8.10. eval: When You Need Another Chance
- awk compared to
: UNIX Power Tools, 44.14. Putting awk, sed, etc., Inside Shell Scripts
- for constructing pipelines
- Learning the Korn Shell, 7.3.2. eval
- Learning the Korn Shell, 7.3.2.1. The C Compiler as Pipeline
- examples
- UNIX Power Tools, 45.14. Finding the Last Command-Line Argument
- UNIX Power Tools, 45.30.4. Using sed
- if-then-else in aliases
: UNIX Power Tools, 10.7. How to Put if-then-else in a C Shell Alias
- role in command-line processing
: Learning the Korn Shell, 7.3.2. eval
- scanning contents of variables
: UNIX Power Tools, 45.17. Making a for Loop with Multiple Variables
- sed combined with
: UNIX Power Tools, 45.30.4. Using sed
- shell variables and
: UNIX Power Tools, 10.10. Simulated Bourne Shell Functions and Aliases
- simulating arrays
: UNIX Power Tools, 45.34. Arrays in the Bourne Shell
- evaluating expressions
: UNIX in a Nutshell, Chapter 2, Reference: expr
- ex commands
- abbreviate words (:ab)
: Learning the vi Editor, 7.3.1. Word Abbreviation
- allow metacharacters (:set magic)
: Learning the vi Editor, 7.1.4. Some Useful Options
- allow other .exrc files (:set exrc)
: Learning the vi Editor, 7.1.3. Alternate Environments
- append to existing files (:w >>)
: Learning the vi Editor, 5.3.3. Appending to a Saved File
- call in next of multiple files (:n)
: Learning the vi Editor, 5.5.2. Calling In New Files
- combining with vertical bar
- Learning the vi Editor, 5.2.7. Combining ex Commands
- Learning the vi Editor, 7.3.3. Protecting Keys from Interpretation by ex
- confirm substitutions
: Learning the vi Editor, 6.1. Confirming Substitutions
- context-sensitive replacement
- Learning the vi Editor, 6. Global Replacement
- Learning the vi Editor, 6.2. Context-sensitive Replacement
- copy lines (:co)
: Learning the vi Editor, 5.2. Editing with ex
- define paragraphs (:set para=)
: Learning the vi Editor, 3.2. Movement by Text Blocks
- define sections (:set sect=)
: Learning the vi Editor, 3.2. Movement by Text Blocks
- define shiftwidth (:set sw=)
: Learning the vi Editor, 7.5.1. Indentation Control
- define tabs (:set ts=)
: Learning the vi Editor, 7.5.1. Indentation Control
- define window size (:set w=)
: Learning the vi Editor, 7.1.1. The :set Command
- delete lines (:d)
: Learning the vi Editor, 5.2. Editing with ex
- display line (:p)
: Learning the vi Editor, 5.1. ex Commands
- display line numbers (:set nu)
- Learning the vi Editor, 2.2.3. Movement Within a Line
- Learning the vi Editor, 3.4. Movement by Line Number
- Learning the vi Editor, 3.4.1. The G (Go To) Command if
- display tabs (:set list)
: Learning the vi Editor, 7.5.1. Indentation Control
- edit
: Learning the vi Editor, 5.5. Editing Multiple Files
- edit multiple files (:e)
: Learning the vi Editor, 5.5.2. Calling In New Files
- execute UNIX commands from vi
: Learning the vi Editor, 7.2. Executing UNIX Commands
- filter text through UNIX command
: Learning the vi Editor, 7.2.1. Filtering Text Through a Command
- for loop with
: Learning the vi Editor, 7.4.1. Looping in a Shell Script
- global (:g)
: Learning the vi Editor, 6. Global Replacement
- global search (:g)
: Learning the vi Editor, 5.2.6. Global Searches
- here documents
: Learning the vi Editor, 7.4.2. Here Documents
- ignore case (:set ic)
: Learning the vi Editor, 6.3.2. Metacharacters Used in Replacement Strings
- indent input (:set ai)
: Learning the vi Editor, 7.5.1. Indentation Control
- invoke on a file
: Learning the vi Editor, 5.1. ex Commands
- invoke vi (:vi)
: Learning the vi Editor, 5.1. ex Commands
- line addressing symbols
: Learning the vi Editor, 5.2.3. Line Addressing Symbols
- map command sequence
: Learning the vi Editor, 7.3.2. Using the map Command
- map function keys
: Learning the vi Editor, 7.3.7. Mapping Function Keys
- match brackets (:set sm)
: Learning the vi Editor, 7.5.2. A Special Search Command
- move lines (:m)
: Learning the vi Editor, 5.2. Editing with ex
- move text blocks by patterns
: Learning the vi Editor, 6.4.2. Block Move by Patterns
- number lines (:set nu)
: Learning the vi Editor, 5.2.2. Defining a Range of Lines
- pattern matching
: Learning the vi Editor, 6.3. Pattern-matching Rules
- preserve a buffer (:pre)
: Learning the vi Editor, 4.2.3. Recovering a Buffer
- quick reference to
- Learning the vi Editor, A. Quick Reference
- Learning the vi Editor, C. ex commands
- quit file (:q)
: Learning the vi Editor, 5.3. Saving and Exiting Files
- quit without saving edits (:q!)
- Learning the vi Editor, 1.1.2. Problems Opening Files
- Learning the vi Editor, 1.2. Quitting Without Saving Edits
- Learning the vi Editor, 5.3. Saving and Exiting Files
- read in a file (:r)
: Learning the vi Editor, 5.4. Copying a File into Another File
- replace in text block
: Learning the vi Editor, 6.4.2. Block Move by Patterns
- save
: Learning the vi Editor, 7.3. Saving Commands
- save and exit files
: Learning the vi Editor, 5.3. Saving and Exiting Files
- save in buffer
: Learning the vi Editor, 7.3.9. @-Functions
- save part of a file
: Learning the vi Editor, 5.3.2. Saving Part of a File
- save under new filename
: Learning the vi Editor, 5.3.1. Renaming the Buffer
- scripts
: Learning the vi Editor, 7.4. Using ex Scripts
- built by diff
: Learning the vi Editor, 7.4.5. ex Scripts Built by diff
- search for class of words
: Learning the vi Editor, 6.4.1. Search for General Class of Words
- search patterns
: Learning the vi Editor, 5.2.4. Search Patterns
- set ignorecase (:set ic)
- Learning the vi Editor, 7.1.1. The :set Command
- Learning the vi Editor, 7.1.4. Some Useful Options
- set vi options
- Learning the vi Editor, 7.1. Customizing vi
- Learning the vi Editor, 7.1.1. The :set Command
- set wrapmargin (:set wm=)
- Learning the vi Editor, 2.1. vi Commands
- Learning the vi Editor, 2.2.3. Movement Within a Line
- Learning the vi Editor, 2.3.8.1. Repeat
- set wrapscan (:set ws)
: Learning the vi Editor, 3.3.1. Repeating Searches
- sort text blocks
: Learning the vi Editor, 7.4.3. Sorting Text Blocks: A Sample ex Script
- substitute (:s)
- Learning the vi Editor, 5.1. ex Commands
- Learning the vi Editor, 6. Global Replacement
- syntax of
: Learning the vi Editor, 1. The vi Text Editor
- use from within vi
: Learning the vi Editor, 5.1. ex Commands
- wrap searches (:set ws)
: Learning the vi Editor, 7.1.4. Some Useful Options
- wrap words (:set wm=)
: Learning the vi Editor, 7.1.4. Some Useful Options
- write (save) and quit file (:wq)
: Learning the vi Editor, 5.3. Saving and Exiting Files
- write (save) and quit file (:x)
: Learning the vi Editor, 5.3. Saving and Exiting Files
- write (save) file (:w)
: Learning the vi Editor, 5.3. Saving and Exiting Files
- yank text between files
: Learning the vi Editor, 5.5.3. Edits Between Files
- ex editor
- Learning the vi Editor, 1. The vi Text Editor
- Learning the vi Editor, 5. Introducing the ex Editor
- UNIX in a Nutshell, Chapter 2, Reference: ex
- UNIX in a Nutshell, 9. The Ex Editor
- (see also ex commands)
- abbreviations
- UNIX Power Tools, 30.31. vi Word Abbreviation
- UNIX Power Tools, 31.9. Good Stuff for Your .exrc File
- appending to file
: UNIX Power Tools, 30.13. Appending to an Existing File
- capitalizing words
: UNIX Power Tools, 30.17. Capitalizing Every Word on a Line
- command descriptions
: UNIX Power Tools, 33.4. Useful ex Commands
- confirming substitutions
: UNIX Power Tools, 30.10. Confirming Substitutions in ex and vi
- counting occurrences
: UNIX Power Tools, 30.16. Counting Occurrences; Stopping Search Wraps
- deleting by patterns
: UNIX Power Tools, 30.14. Moving Blocks of Text by Patterns
- diff command and
: UNIX Power Tools, 28.9. ex Scripts Built by diff
- file recovery
: UNIX Power Tools, 30.24. vi/ex File Recovery vs. Networked Filesystems
- filtering text
: UNIX Power Tools, 30.22. Filtering Text Through a UNIX Command
- global command
: UNIX Power Tools, 30.9.1. Global Searches
- line addressing
: UNIX Power Tools, 33.3. Line Addressing
- modelines
: UNIX Power Tools, 30.19. Modelines: Bug or Feature?
- moving by patterns
: UNIX Power Tools, 30.14. Moving Blocks of Text by Patterns
- multiple setup files
- UNIX Power Tools, 30.20. Multiple Editor Setup Files; Starting with a Search
- UNIX Power Tools, 30.21. Per File Setups in Separate Files
- no matches
: UNIX Power Tools, 33.7. ed/ex Batch Edits: Avoid Errors When No Match
- open mode
: UNIX Power Tools, 30.36. The ex Open Mode Can Be Handy
- pattern-matching metacharacters
: UNIX in a Nutshell, 6.2. Metacharacters, Listed by UNIX Program
- patterns
- UNIX Power Tools, 30.9. Using Search Patterns and Global Commands
- UNIX Power Tools, 30.14. Moving Blocks of Text by Patterns
- quoting control characters
: UNIX Power Tools, 31.6. Protecting Keys from Interpretation by ex
- quoting | (vertical bar)
: UNIX Power Tools, 31.6. Protecting Keys from Interpretation by ex
- reverting to saved
: UNIX Power Tools, 30.4. Editing Multiple Files with vi
- save as new file
: UNIX Power Tools, 30.4. Editing Multiple Files with vi
- saving as new file
: UNIX Power Tools, 30.11. Keep Your Original File, Write to a New File
- saving part of file
: UNIX Power Tools, 30.12. Saving Part of a File
- scripting
: UNIX Power Tools, 33.3. Line Addressing
- search-and-replace examples
: UNIX in a Nutshell, 6.4.1. Examples of Searching and Replacing
- settings
- UNIX Power Tools, 30.6. Local Settings for vi and ex
- UNIX Power Tools, 30.18. Setting vi Options Automatically for Individual Files
- startup commands
: UNIX Power Tools, 30.6. Local Settings for vi and ex
- stopping search wraps
: UNIX Power Tools, 30.16. Counting Occurrences; Stopping Search Wraps
- switching between files
: UNIX Power Tools, 30.4. Editing Multiple Files with vi
- transfer text between files
: UNIX Power Tools, 30.5. Edits Between Files
- undoing changes
: UNIX Power Tools, 30.10. Confirming Substitutions in ex and vi
- yank buffers
: UNIX Power Tools, 30.5. Edits Between Files
- example programs
- UNIX Power Tools, 51.11. Making an Arbitrary-Size File for Testing
- sed & awk, Sample Programs
- exchange command
: (see x command (sed))
- exclamation point
: (see ! (bang))
- exec command
- Learning the Korn Shell, 9.2.1.2. exec
- UNIX Power Tools, 1.11. How the Shell Executes Other Commands
- UNIX Power Tools, 38.2. fork and exec
- UNIX in a Nutshell, Chapter 4, Reference: exec
- UNIX in a Nutshell, Chapter 5, Reference: exec
- associating file descriptors with files
: UNIX Power Tools, 45.22. Handling Files Line-by-Line
- examples
: UNIX Power Tools, 45.10. Removing a File Once It's Opened - for Security and Easy Cleanup
- manage file descriptors
: UNIX Power Tools, 45.7. The exec Command
- replacing C shell with Bourne shell
- UNIX Power Tools, 45.6. Making Sure Your Script Runs with Bourne Shell, Without #!
- UNIX Power Tools, 45.7. The exec Command
- typing at a shell prompt
: UNIX Power Tools, 38.2. fork and exec
- executable files
- UNIX Power Tools, 52.8.2. Compiling Source Code
- UNIX Power Tools, 52.8.2.7. Functions, Libraries, and Header Files
- (see files, executable)
- displaying
: UNIX Power Tools, 45.5. A File That Shows Itself... and What #! Does
- errors caused by
: UNIX Power Tools, 50.12. Common UNIX Error Messages
- executing without showing #!
: UNIX Power Tools, 45.5. A File That Shows Itself... and What #! Does
- making executable by using #
: UNIX Power Tools, 45.4. Fun with #!
- permissions on
- UNIX Power Tools, 44.2. Writing a Simple Shell Program
- (see also permissions)
- strip command and
: UNIX Power Tools, 24.13. Save Space in Executable Files with strip
- testing
: UNIX Power Tools, 44.4. Testing How Your System Executes Files
- execute permission
- Learning the UNIX Operating System, 3.1.8.1. ls
- UNIX Power Tools, 22.2. Tutorial on File and Directory Permissions
- UNIX Power Tools, 22.19. Shell Scripts Must be Readable and (Usually) Executable
- without read permission
: UNIX Power Tools, 22.12. A Directory that People Can Access but Can't List
- executed files, shared objects for
: UNIX in a Nutshell, Chapter 2, Reference: ldd
- executing commands
- after logout
: UNIX in a Nutshell, Chapter 2, Reference: nohup
- of lower priority
: UNIX in a Nutshell, Chapter 2, Reference: nice
- wait between
: UNIX in a Nutshell, Chapter 2, Reference: sleep
- execution statistics, report summarizing
: UNIX Power Tools, 38.5. The ps Command
- EXINIT environment variable
- Learning the vi Editor, 7.1. Customizing vi
- UNIX Power Tools, 6.3. Predefined Environment Variables
- UNIX Power Tools, 6.10. Running a Command with a Temporarily Different Environment
- UNIX Power Tools, 10.2.2. Using More Complex Aliases
- UNIX Power Tools, 30.6. Local Settings for vi and ex
- UNIX Power Tools, 30.35. Out of Temporary Space? Use Another Directory
- UNIX in a Nutshell, 5.3.5. Environment Variables
- exit command/statement
- Learning the Korn Shell, 1.4. Getting the Korn Shell
- Learning the Korn Shell, 1.5. Interactive Shell Use
- Learning the Korn Shell, 5.1.1.1. Return
- Learning the Korn Shell, 8.4.2. Process ID Variables and Temporary Files
- Learning the UNIX Operating System, 1.1.8. Logging Out
- UNIX Power Tools, 44.11. Set Exit Status of a Shell (Script)
- sed & awk, 8.3. Other Statements That Affect Flow Control
- UNIX in a Nutshell, Chapter 4, Reference: exit
- UNIX in a Nutshell, Chapter 5, Reference: exit
- .cshrc file
: UNIX Power Tools, 2.9. Speeding Up Your C Shell with set prompt Test
- effect on subshells
: UNIX Power Tools, 38.4. Subshells
- examples
: UNIX Power Tools, 44.5. Test String Values with Bourne Shell case
- redirected loops using
: UNIX Power Tools, 45.23. The Ins and Outs of Redirected I/O Loops
- to end scripts
: UNIX Power Tools, 51.5. Copy What You Do with script
- exit command (awk)
- UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
- UNIX in a Nutshell, Chapter 11, Reference: exit
- exit command (lpc)
: UNIX Power Tools, 43.3. Printer Control with lpc
- .exit file
: UNIX Power Tools, 14.14. Automatic Setup When You Enter/Exit a Directory
- exit status
- Learning the Korn Shell, 5.1.1. Exit Status and Return
- Learning the Korn Shell, 5.1.3.1. String comparisons
- Learning the Korn Shell, 9.2.3.4. Break conditions
- Learning the Korn Shell, 9.2.5. Exercises
- UNIX Power Tools, 44.8. Test Exit Status with the if Statement
- UNIX in a Nutshell, Chapter 2, Reference: test
- (see also status variable)
- background jobs
: UNIX Power Tools, 44.7. Exit Status of UNIX Processes
- commands
- UNIX Power Tools, 44.7. Exit Status of UNIX Processes
- UNIX in a Nutshell, Chapter 2, Reference: true
- conventional values
: Learning the Korn Shell, 5.1.1. Exit Status and Return
- in job status messages
: Learning the Korn Shell, 8.1. Process IDs and Job Numbers
- logical combinations
: Learning the Korn Shell, 5.1.2. Combinations of Exit Statuses
- of loops
: UNIX Power Tools, 45.19. A while Loop with Several Loop Control Commands
- nonzero
: UNIX Power Tools, 46.9. If Command Doesn't Return a Status, Test the Error Messages
- pipelines
: UNIX Power Tools, 44.7. Exit Status of UNIX Processes
- redirected loops
: UNIX Power Tools, 45.23. The Ins and Outs of Redirected I/O Loops
- returned by processes
: UNIX Power Tools, 38.3. Managing Processes: Overall Concepts
- testing
- UNIX Power Tools, 44.8. Test Exit Status with the if Statement
- UNIX Power Tools, 44.10. Loops That Test Exit Status
- UNIX Power Tools, 46.9. If Command Doesn't Return a Status, Test the Error Messages
- trapping when non-0
: Learning the Korn Shell, 9.1.2.2. ERR
- values for expr
- UNIX Power Tools, 45.28. Quick Reference: expr
- UNIX Power Tools, 45.29. Testing Characters in a String with expr
- zero
- UNIX Power Tools, 44.10. Loops That Test Exit Status
- UNIX Power Tools, 45.9. The Unappreciated Bourne Shell ":" Operator
- UNIX Power Tools, 46.9. If Command Doesn't Return a Status, Test the Error Messages
- .exit.csh script
: UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- exiting
- UNIX session
: Learning the UNIX Operating System, 1.1.8. Logging Out
- X Window System
: Learning the UNIX Operating System, 2.7. Quitting
- .exit.sh script
: UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- exp()
: sed & awk, 9.1.1. Trigonometric Functions
- exp command (awk)
- UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
- UNIX in a Nutshell, Chapter 11, Reference: exp
- expand command
- UNIX Power Tools, 41.4.1. TAB Is Just Another Character to UNIX
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- expanding files
- UNIX in a Nutshell, Chapter 2, Reference: unpack
- (see also pack command; pcat command)
- Expect program
- UNIX Power Tools, 9.26. Expect
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- testing interactive programs
: UNIX Power Tools, 9.26.3. Testing: A Story
- exponentiation
- sed & awk, 7.6. Expressions
- sed & awk, 9.1.1. Trigonometric Functions
- sed & awk, 11.1.2. Exponentiation
- ** operator
: sed & awk, 7.6. Expressions
- ^ operator
: sed & awk, 7.6. Expressions
- export command
- Learning the Korn Shell, 3.5.1. Environment Variables
- Learning the Korn Shell, 4.1. Shell Scripts and Functions
- Learning the Korn Shell, 6.3.4. Type and Attribute Options
- Learning the Korn Shell, 10.2.3. Types of Global Customization
- UNIX in a Nutshell, Chapter 4, Reference: export
- expr command
- Learning the Korn Shell, Summary of Korn Shell Features
- Learning the Korn Shell, 6.2. Integer Variables and Arithmetic
- Learning the Korn Shell, A.1. The Bourne Shell
- UNIX Power Tools, 45.28. Quick Reference: expr
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- UNIX in a Nutshell, Chapter 2, Reference: expr
- advantages
- UNIX Power Tools, 45.30.1. Matching with expr
- UNIX Power Tools, 49.1. bc: Simple Math at the Shell Prompt
- alternatives to
: UNIX Power Tools, 45.11. The Multipurpose jot Command
- arguments
: UNIX Power Tools, 45.30.1. Matching with expr
- as calculator
- UNIX Power Tools, 49.1. bc: Simple Math at the Shell Prompt
- UNIX Power Tools, 49.6. Quick Arithmetic with expr
- disadvantages
: UNIX Power Tools, 45.30.1. Matching with expr
- examples
: UNIX Power Tools, 45.28. Quick Reference: expr
- exit status values
- UNIX Power Tools, 45.28. Quick Reference: expr
- UNIX Power Tools, 45.29. Testing Characters in a String with expr
- jot compared to
: UNIX Power Tools, 45.11. The Multipurpose jot Command
- listing command-line options
: UNIX Power Tools, 45.30.1. Matching with expr
- loops using
: UNIX Power Tools, 45.11. The Multipurpose jot Command
- matching character strings
: UNIX Power Tools, 45.30.1. Matching with expr
- operators
: UNIX Power Tools, 45.28. Quick Reference: expr
- syntax
- UNIX Power Tools, 45.28. Quick Reference: expr
- UNIX Power Tools, 45.28.1. Examples
- testing character strings
: UNIX Power Tools, 45.29. Testing Characters in a String with expr
- variables
: UNIX Power Tools, 45.28.1. Examples
- expressions
- sed & awk, 3.1. That's an Expression
- sed & awk, B.2.5. Expressions
- awk
: (see awk scripting language)
- in C shell
- UNIX Power Tools, 47.4.2. Expressions
- UNIX Power Tools, 47.4.4. Examples
- UNIX in a Nutshell, 5.4. Expressions
- conditional
: UNIX Power Tools, 44.8. Test Exit Status with the if Statement
- evaluating
: UNIX in a Nutshell, Chapter 2, Reference: expr
- executing as commands
: sed & awk, 10.3. The system() Function
- regular
: (see regular expressions)
- expunge program
: UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- exrc file (on disc)
: UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- .exrc file
- Learning the vi Editor, 7.1. Customizing vi
- Learning the vi Editor, 7.1.2. The .exrc File
- UNIX Power Tools, 4.9. Setting Up vi with the .exrc File
- UNIX Power Tools, 30.6. Local Settings for vi and ex
- UNIX Power Tools, 30.18. Setting vi Options Automatically for Individual Files
- UNIX Power Tools, 31.9. Good Stuff for Your .exrc File
- EXSTAT environment variable
: UNIX Power Tools, 30.20. Multiple Editor Setup Files; Starting with a Search
- exstr command
: UNIX in a Nutshell, Chapter 2, Reference: exstr
- exta, extb rates
: UNIX Power Tools, 41.2.1. How We Made It This Far (Back?)
- extended regular expressions
- UNIX Power Tools, 26.4.11. Extended Regular Expressions
- sed & awk, 3.2.4.3. POSIX character class additions
- extensions
- common awk
: sed & awk, 11.2.1. Common Extensions
- filename
- UNIX Power Tools, 1.17. Filename Extensions
- UNIX Power Tools, 4.6. Naming Files
- gawk
: sed & awk, 11.2.3. GNU awk (gawk)
- mawk
: sed & awk, 11.2.4. Michael's awk (mawk)
- tawk
: sed & awk, 11.3.2. Thompson Automation awk (tawk)
- extent of matching
: sed & awk, 3.2.12.1. The extent of the match
- "external control" rates
: UNIX Power Tools, 41.2.1. How We Made It This Far (Back?)
- external commands
- UNIX Power Tools, 1.10. Internal and External Commands
- UNIX Power Tools, 7.4. Faster Prompt Setting with Built-Ins
- executing
: UNIX Power Tools, 1.11. How the Shell Executes Other Commands
- setting variables with
: UNIX Power Tools, 7.12. External Commands Send Signals to Set Variables
- extracting file contents
: sed & awk, 4.4.3. Extracting Contents of a File
- extractres program
: UNIX Power Tools, 43.24. Other PostScript Utilities
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