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Index: O
- .o filename extension
: UNIX Power Tools, 1.17. Filename Extensions
- oawk scripting language : (see awk scripting language)
- obase command : UNIX Power Tools, 49.2. bc: Hexadecimal or Binary Conversion
- object files
- oawk scripting language : (see awk scripting language)
- file extension
: UNIX Power Tools, 1.17. Filename Extensions
- generating : UNIX in a Nutshell, Chapter 2, Reference: as
- removing information from : UNIX in a Nutshell, Chapter 2, Reference: strip
- generating : UNIX in a Nutshell, Chapter 2, Reference: as
- file extension
: UNIX Power Tools, 1.17. Filename Extensions
- object-code libraries
: Learning the Korn Shell, 6.1.3.1. More About C Compilers
- obsolete features in next ksh release : Learning the Korn Shell, A.7. The Future of the Korn Shell
- obtaining source code
- obsolete features in next ksh release : Learning the Korn Shell, A.7. The Future of the Korn Shell
- awk
- examples
- gawk
: sed & awk, 11.2.3. GNU awk (gawk)
- mawk : sed & awk, 11.2.4. Michael's awk (mawk)
- sed : sed & awk, Availability of sed and awk
- mawk : sed & awk, 11.2.4. Michael's awk (mawk)
- ocrnl flag
: UNIX Power Tools, 41.2.1. How We Made It This Far (Back?)
- octal dumps, producing : UNIX in a Nutshell, Chapter 2, Reference: od
- octal numbers
- octal dumps, producing : UNIX in a Nutshell, Chapter 2, Reference: od
- UNIX Power Tools, 1.23. File Access Permissions
- sed & awk, 7.6. Expressions
- for ASCII characters
- sed & awk, 7.6. Expressions
- interpreting
: UNIX Power Tools, 45.35.1. With echo
- for permissions : UNIX Power Tools, 17.15. Searching for Files by Permission
- UNIX Power Tools, 1.23. File Access Permissions
- od command : UNIX in a Nutshell, Chapter 2, Reference: od
- -c option
- looking at characters : UNIX Power Tools, 41.7. Reading Verrrry Long Lines from the Terminal
- off-peak hours, taking advantage of
: UNIX Power Tools, 40.1. Off-Peak Job Submission
- offset script
- OFMT variable
- OFS variable
: sed & awk, 7.7. System Variables
- oldlinks script
- OLDPWD variable
- olid hardware
: UNIX Power Tools, 20.6. Writing a Tape Drive on a Remote Machine
- on-line manual : (see man pages)
- onintr command (csh) : UNIX in a Nutshell, Chapter 5, Reference: onintr
- online archive, software : UNIX Power Tools, 52.7.2. Online Archive
- online documentation : (see manual pages)
- online manual source file extension : UNIX Power Tools, 1.17. Filename Extensions
- open command (ex) : UNIX in a Nutshell, Chapter 9, Reference: open
- OPEN LOOK : Learning the Korn Shell, A.3. wksh
- open mode : (see ex editor, open mode)
- opening a file (vi)
- on-line manual : (see man pages)
- openwin command
: UNIX in a Nutshell, Chapter 2, Reference: openwin
- OpenWindows
- configuring
: UNIX in a Nutshell, Chapter 2, Reference: openwin
- programs and utilities : UNIX in a Nutshell, Chapter 2, Reference: openwin
- configuring
: UNIX in a Nutshell, Chapter 2, Reference: openwin
- operating system, definition of
: Learning the UNIX Operating System, The UNIX Operating System
- operators
- arithmetic
: (see arithmetic operators)
- assignment : (see assignment operators)
- awk : (see awk scripting language)
- bitwise/logical
- assignment : (see assignment operators)
- Boolean
- C shell
: UNIX in a Nutshell, 5.4.1. Operators
- comparison : UNIX Power Tools, 47.4.3.4. Comparison Operators
- file inquiry : UNIX Power Tools, 47.4.3.5. File Inquiry Operators
- postfix versus prefix : sed & awk, 7.6. Expressions
- precedence in C shell : UNIX Power Tools, 47.4.2. Expressions
- relational
- comparison : UNIX Power Tools, 47.4.3.4. Comparison Operators
- string editing
: UNIX Power Tools, 45.12. Parameter Substitution
- unmatched : UNIX Power Tools, 46.1.2. Unmatched Operators
- arithmetic
: (see arithmetic operators)
- opost flag
: UNIX Power Tools, 41.2.1. How We Made It This Far (Back?)
- OPTARG variable : Learning the Korn Shell, 6.1.3. getopts
- OPTARGET shell variable : UNIX in a Nutshell, 4.3.2. Built-in Shell Variables
- OPTIND
- OPTARG variable : Learning the Korn Shell, 6.1.3. getopts
- options
- Learning the Korn Shell, 3. Customizing Your Environment
- Learning the Korn Shell, 3.3. Options
- sed & awk, 2.2. Command-Line Syntax
- sed & awk, 2.3.1. Specifying Simple Instructions
- (see also under specific option)
- awk : sed & awk, 2.4.3. Summary of Options
- bgnice
- Learning the Korn Shell, 3.3. Options
- combining
: sed & awk, 2.3.2.3. Mixing options (POSIX)
- command-line : (see command-line options)
- dash : (see command-line options)
- emacs
- command-line : (see command-line options)
- ignoreeof
: Learning the Korn Shell, 3.3. Options
- keyword : Learning the Korn Shell, 3.5.1. Environment Variables
- obsolescence in next ksh release : Learning the Korn Shell, A.7. The Future of the Korn Shell
- list of : Learning the Korn Shell, B.1. Invocation Options
- list of those not supported in pdksh
: Learning the Korn Shell, A.4. pdksh
- markdirs : Learning the Korn Shell, 3.3. Options
- monitor
- markdirs : Learning the Korn Shell, 3.3. Options
- in next ksh release
: Learning the Korn Shell, A.7. The Future of the Korn Shell
- noclobber
- Learning the Korn Shell, 3.3. Options
- Learning the Korn Shell, 7.1. I/O Redirectors
- Learning the Korn Shell, 10.2.3. Types of Global Customization
- Learning the UNIX Operating System, 5.1.1.1. The > operator
- UNIX Power Tools, 6.8. Shell Variables
- UNIX Power Tools, 6.9. Special C Shell Variables
- UNIX Power Tools, 13.6. Safe I/O Redirection with noclobber
- UNIX Power Tools, 23.7. Safer File Deletion in Some Directories
- UNIX in a Nutshell, 5.3.3. Predefined Shell Variables
- Learning the Korn Shell, 7.1. I/O Redirectors
- Learning the Korn Shell, 3.3. Options
- noexec : Learning the Korn Shell, 9.1.1. Set Options
- turning on and off : Learning the Korn Shell, 9.1.1. Set Options
- noglob
: Learning the Korn Shell, 3.3. Options
- privileged
- sed
: sed & awk, 2.3.2.4. Summary of options
- trackall
- turning on and off
- verbose
: Learning the Korn Shell, 9.1.1. Set Options
- vi
- xtrace : Learning the Korn Shell, 9.1.1. Set Options
- Learning the Korn Shell, 3. Customizing Your Environment
- opttest script
: UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- OR (||) operator : sed & awk, 7.8. Relational and Boolean Operators
- order of operations : sed & awk, 3.1. That's an Expression
- OR (||) operator : sed & awk, 7.8. Relational and Boolean Operators
- commands in scripts : sed & awk, 4.1. Applying Commands in a Script
- orphans
: (see processes, in pathological states)
- ORS variable
- OS/2 : Learning the Korn Shell, A.6. Workalikes on PC Platforms
- Version 2 : Learning the Korn Shell, 8. Process Handling
- OSF/Motif
: Learning the Korn Shell, A.3. wksh
- other shells : (see entries for individual shells)
- out of band approach for flow control : UNIX Power Tools, 41.2.4. Flow Control (We Hope)
- output : (see I/O)
- output, redirecting : (see >; redirection)
- overwrite mode : UNIX Power Tools, 32.5. Putting Emacs in Overwrite Mode
- overwriting files
- other shells : (see entries for individual shells)
- ownership, file
- Learning the UNIX Operating System, 3.1.8.1. ls
- UNIX Power Tools, 22.2.1. User, Group, and World
- UNIX Power Tools, 22.3. Who Will Own a New File?
- BSD UNIX and : UNIX Power Tools, 22.20. Why Can't You Change File Ownership Under BSD UNIX?
- changing
- UNIX Power Tools, 22.2.1. User, Group, and World
- group
: (see groups)
- searching by : UNIX Power Tools, 17.16. Searching by Owner and Group
- Learning the UNIX Operating System, 3.1.8.1. ls
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