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Index: W
- "who are you?" error message: UNIX Power Tools, 50.12. Common UNIX Error Messages
w (move word) command: Learning the vi Editor, 2.2.4. Movement by Text Blocks
:w (write) command (ex)
- Learning the vi Editor, 1.1.4. Saving and Quitting a File
- Learning the vi Editor, 5.3. Saving and Exiting Files
- renaming buffer: Learning the vi Editor, 5.3.1. Renaming the Buffer
saving parts of files: Learning the vi Editor, 5.3.2. Saving Part of a File
:w! command: Learning the vi Editor, 5.3. Saving and Exiting Files
w command: UNIX in a Nutshell, Chapter 2, Reference: w
w command (sed)
- sed & awk, 5.11. Reading and Writing Files
- UNIX in a Nutshell, Chapter 10, Reference: w
\w escape sequence: sed & awk, 11.2.3.4. Extended regular expressions
w flag: sed & awk, 5.3. Substitution
-w option (nvi): Learning the vi Editor, 9.2. Important Command-Line Arguments
\w, \W metacharacters: Learning the vi Editor, 12.7. Extended Regular Expressions
wait command
- UNIX in a Nutshell, Chapter 2, Reference: wait
- UNIX in a Nutshell, Chapter 4, Reference: wait
- UNIX in a Nutshell, Chapter 5, Reference: wait
- UNIX Power Tools, 38.16. Why You Can't Kill a Zombie
- Learning the Korn Shell, 8.5.1. wait
- Learning the Korn Shell, A.1. The Bourne Shell
- arguments to: Learning the Korn Shell, 8.5.1. wait
- in background jobs: UNIX Power Tools, 44.7. Exit Status of UNIX Processes
:wall (:wa) command (vim): Learning the vi Editor, 11.5. Multiwindow Editing
wallclock time
- UNIX Power Tools, 39.3. The csh time variable
- UNIX Power Tools, 39.5. Why Is the System So Slow?
watch command vs. vis command: UNIX Power Tools, 51.7. When You Get Impatient
watchq script
- UNIX Power Tools, 38.11. Printer Queue Watcher: A Restartable Daemon Shell Script
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
wc command
- Learning the Korn Shell, 6.2.2. Arithmetic Variables and Assignment
UNIX in a Nutshell, Chapter 2, Reference: wc
UNIX Power Tools, 8.6.1. Portability
UNIX Power Tools, 29.6. Counting Lines, Words, and Characters: wc
web sites for vi: Learning the vi Editor, E.1. vi Web Sites
Web, described: UNIX Power Tools, 1.33. UNIX Networking and Communications
weekday in crontab entries: UNIX Power Tools, 40.12.1. Execution Scheduling
werase key: UNIX Power Tools, 5.9. Setting Your Erase, Kill, and Interrupt Characters
what command (SCCS): UNIX in a Nutshell, Chapter 18, Reference: what
whatis command
- UNIX in a Nutshell, Chapter 2, Reference: whatis
- UNIX Power Tools, 50.4. whatis: One-Line Command Summaries
- advantages: UNIX Power Tools, 50.4. whatis: One-Line Command Summaries
apropos compared to: UNIX Power Tools, 50.4. whatis: One-Line Command Summaries
examples: UNIX Power Tools, 50.4. whatis: One-Line Command Summaries
whence
- UNIX in a Nutshell, Chapter 4, Reference: whence
- UNIX Power Tools, 4.10. Find All Command Versions with whereiz
- Learning the Korn Shell, 2.1. Enabling Command-line Editing
- Learning the Korn Shell, 4.1.1. Functions
- Learning the Korn Shell, 5.5. while and until
- Learning the Korn Shell, A.1. The Bourne Shell
- Learning the Korn Shell, A.5. bash
- -p: Learning the Korn Shell, 4.4. Command Substitution
-v
- Learning the Korn Shell, 4.1.1. Functions
- Learning the Korn Shell, 9.2.5. Exercises
- to show tracked aliases: Learning the Korn Shell, 10.3.3. Tracked Aliases
whereis command
- UNIX Power Tools, 16.10. findcmd: Find a Command in Your Search Path
- UNIX Power Tools, 50.5. whereis: Finding Where a Command Is Located
- -b option: UNIX Power Tools, 50.5. whereis: Finding Where a Command Is Located
examples
- UNIX Power Tools, 44.21. Picking a Name for a New Command
- UNIX Power Tools, 50.5. whereis: Finding Where a Command Is Located
-m option: UNIX Power Tools, 50.5. whereis: Finding Where a Command Is Located
-s option: UNIX Power Tools, 50.5. whereis: Finding Where a Command Is Located
-u option: UNIX Power Tools, 50.5. whereis: Finding Where a Command Is Located
whereiz script
- UNIX Power Tools, 4.10. Find All Command Versions with whereiz
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
which command
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
UNIX in a Nutshell, Chapter 2, Reference: which
UNIX Power Tools, 16.10. findcmd: Find a Command in Your Search Path
UNIX Power Tools, 50.8. Which Version Am I Using?
-a option: UNIX Power Tools, 4.10. Find All Command Versions with whereiz
alternatives to: UNIX Power Tools, 50.8. Which Version Am I Using?
examples
- UNIX Power Tools, 44.21. Picking a Name for a New Command
- UNIX Power Tools, 50.8. Which Version Am I Using?
setting the prompt variable: UNIX Power Tools, 2.10. Gotchas in set prompt Test
while
- UNIX in a Nutshell, Chapter 4, Reference: while
- UNIX in a Nutshell, Chapter 5, Reference: while
- Learning the Korn Shell, 5.2. for
- Learning the Korn Shell, 5.4. select
- Learning the Korn Shell, 5.5. while and until
- Learning the Korn Shell, 6.2.2. Arithmetic Variables and Assignment
- Learning the Korn Shell, 6.3.3. String Formatting Options
- Learning the Korn Shell, 7.2.2.1. Reading lines from files
- Learning the Korn Shell, 7.2.2.3. Code blocks
- Learning the Korn Shell, 7.2.2.4. Reading User Input
- Learning the Korn Shell, 7.2.2.5. Options to read
- Learning the Korn Shell, 7.3.1. Quoting
- differences with until: Learning the Korn Shell, 5.5. while and until
redirecting I/O to: Learning the Korn Shell, 7.2.2.2. I/O Redirection and multiple commands
syntax: Learning the Korn Shell, 5.5. while and until
while command (awk)
- UNIX in a Nutshell, Chapter 11, Reference: while
- UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
while loops
- sed & awk, 8.2.1. While Loop
UNIX Power Tools, 44.10.2. Looping Until a Command Fails
UNIX Power Tools, 44.15.2. With a Loop
case statement used in: UNIX Power Tools, 45.22. Handling Files Line-by-Line
case statement used with: UNIX Power Tools, 44.17. Handling Arguments with while and shift
examples
- UNIX Power Tools, 44.10.2. Looping Until a Command Fails
- UNIX Power Tools, 44.17. Handling Arguments with while and shift
- UNIX Power Tools, 45.32. A Better read Command: grabchars
for loops compared to: UNIX Power Tools, 45.16. Standard Input to a for Loop
handling command-line arguments: UNIX Power Tools, 44.17. Handling Arguments with while and shift
in C shell: UNIX Power Tools, 47.4.2. Expressions
jot command in: UNIX Power Tools, 45.11. The Multipurpose jot Command
multiple commands: UNIX Power Tools, 45.19. A while Loop with Several Loop Control Commands
read command used in
- UNIX Power Tools, 45.16. Standard Input to a for Loop
- UNIX Power Tools, 45.22. Handling Files Line-by-Line
redirected: UNIX Power Tools, 45.22. Handling Files Line-by-Line
shift command used with: UNIX Power Tools, 44.17. Handling Arguments with while and shift
test command used with: UNIX Power Tools, 44.17. Handling Arguments with while and shift
until loops compared to: UNIX Power Tools, 44.10.2. Looping Until a Command Fails
whitespace
- (see also space characters)
- UNIX Power Tools, 1.2. Who Listens to What You Type?
- adding or deleting: UNIX Power Tools, 25.9. Adding and Deleting White Space
adding/deleting: UNIX Power Tools, 25.13. pushin: Squeeze Out Extra White Space
cat command and: UNIX Power Tools, 25.6. What's in That White Space?
converting spaces into tabs: UNIX in a Nutshell, Chapter 2, Reference: unexpand
deleting words and: Learning the vi Editor, 2.3.5.1. Words
double-spacing: UNIX Power Tools, 25.12. Double Space, Triple Space ...
expanding tabs into spaces: UNIX in a Nutshell, Chapter 2, Reference: expand
in filenames
- UNIX Power Tools, 8.16. Quoting Handles Special Characters in Filenames
- UNIX Power Tools, 16.13. Can't Access a File? Look for Spaces in the Name
indentation: Learning the vi Editor, 7.5.1. Indentation Control
newline characters
- UNIX Power Tools, 1.29. When Is a File Not a File?
UNIX Power Tools, 4.9. Setting Up vi with the .exrc File
UNIX Power Tools, 8.6.1. Portability
UNIX Power Tools, 25.10. Squash Extra Blank Lines
Learning the vi Editor, 2.2.3. Movement Within a Line
Learning the vi Editor, 8.6.2. Arbitrary Length Lines and Binary Data
nroff/troff requests for: UNIX in a Nutshell, 12.5.15. Vertical Spacing
problems with xargs: UNIX Power Tools, 9.22. xargs: Problems with Spaces and Newlines
sentence delimiters: Learning the vi Editor, 3.2. Movement by Text Blocks
smart indenting (vim): Learning the vi Editor, 11.10.2.1. Smart indenting
spaces in filenames
- Learning the vi Editor, 1.1.1. Opening a File
- Learning the vi Editor, 5.1. ex Commands
TAB characters
- UNIX Power Tools, 8.18. Here Documents
- UNIX Power Tools, 24.6. Save Space with Tab Characters
wc command and: UNIX Power Tools, 29.6. Counting Lines, Words, and Characters: wc
whitespace character class: UNIX in a Nutshell, 4.2.2. Filename Metacharacters
who command
- Learning the Korn Shell, 4.4. Command Substitution
DT>Learning the UNIX Operating System, 1.1.6.2. who
- Learning the UNIX Operating System, 5.1.1.1. The > operator
- UNIX in a Nutshell, Chapter 2, Reference: who
- UNIX Power Tools, 9.16. Command Substitution
- UNIX Power Tools, 51.4. Who's On?
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
- examples: UNIX Power Tools, 44.2. Writing a Simple Shell Program
on PowerTools disk: UNIX Power Tools, 51.4. Who's On?
whoami command
- (see also logname command)
- Learning the UNIX Operating System, 1.1.6.2. who
- Learning the Korn Shell, 7.1. I/O Redirectors
- UNIX in a Nutshell, Chapter 2, Reference: whoami
- UNIX Power Tools, 2.12. Automatic Setups for Different Terminals
- errors caused by: UNIX Power Tools, 50.12. Common UNIX Error Messages
width, output field: sed & awk, 7.9. Formatted Printing
wildcard metacharacter: (see . (dot))
wildcards
- (see also pattern matching; special characters)
- Learning the UNIX Operating System, 4.3. File and Directory Wildcards
- UNIX Power Tools, 1.16. Wildcards
- UNIX Power Tools, 21.14. Automatically Appending the Date to a Filename
- ?
- Learning the Korn Shell, 1.6.2. Filenames and Wildcards
- Learning the Korn Shell, 4.3.2.2. Korn shell versus awk/egrep regular expressions
[ ]
- Learning the Korn Shell, 1.6.2. Filenames and Wildcards
- Learning the Korn Shell, 4.3.2.2. Korn shell versus awk/egrep regular expressions
!$ sequence with: UNIX Power Tools, 11.6. Using !$ for Safety with Wildcards
basic: Learning the Korn Shell, 1.6.2. Filenames and Wildcards
character ranges: Learning the Korn Shell, 1.6.2. Filenames and Wildcards
creating files: UNIX Power Tools, 9.4. Use Wildcards to Create Files?
deleting files and: UNIX Power Tools, 23.2. rm and Its Dangers
examples: Learning the Korn Shell, 1.6.2. Filenames and Wildcards
file-naming: UNIX Power Tools, 15.1. File Naming Wildcards
filename metacharacters
- csh shell: UNIX in a Nutshell, 5.2.2. Filename Metacharacters
sh and ksh shells: UNIX in a Nutshell, 4.2.2. Filename Metacharacters
find command and
- UNIX Power Tools, 17.4. Looking for Files with Particular Names
- UNIX Power Tools, 17.18. Using "Fast find"
for regular expressions: (see regular expressions)
for special filename characters: UNIX Power Tools, 23.12. Using Wildcards to Delete Files with Strange Names
in alias expansions: Learning the Korn Shell, 3.2. Aliases
in case statements
- UNIX Power Tools, 44.6. Pattern Matching in case Statements
- UNIX Power Tools, 44.5. Test String Values with Bourne Shell case
in directory names: UNIX Power Tools, 17.2. Delving Through a Deep Directory Tree
in for loops: UNIX Power Tools, 44.16. Handling Command-Line Arguments with a for Loop
in pathnames
- UNIX Power Tools, 15.1. File Naming Wildcards
- UNIX Power Tools, 15.6. Maybe You Shouldn't Use Wildcards in Pathnames
matching dot files: UNIX Power Tools, 15.5. Matching All "Dot Files" with Wildcards
order of expansion in command-line processing: Learning the Korn Shell, 7.3. Command-line Processing
passing to programs: UNIX Power Tools, 1.18. Who Handles Wildcards?
regular expression versus: UNIX Power Tools, 26.2. Don't Confuse Regular Expressions with Wildcards
set command using: UNIX Power Tools, 44.19. The Bourne Shell set Command
tar archives and: UNIX Power Tools, 20.9. When a Program Doesn't Understand Wildcards
with aliases: UNIX Power Tools, 8.9. Wildcards Inside of Aliases
wildchar option (vim): Learning the vi Editor, 11.8.1. Command-Line History and Completion
:window (:wi) command (elvis): Learning the vi Editor, 10.5. Multiwindow Editing
window managers
- Learning the UNIX Operating System, 2.1. Introduction to Windowing
- Learning the UNIX Operating System, 2.2.3. C. Starting the Window Manager
- Learning the UNIX Operating System, 2.5. Working with Windows
window option: Learning the vi Editor, 7.1.1. The :set Command
window sessions, unlocking: UNIX Power Tools, 42.2. Fixing a Hung Terminal or Job
window systems: Learning the UNIX Operating System, 2.1. Introduction to Windowing
- focus in: Learning the UNIX Operating System, 2.3.1. Setting Focus
mouse and: Learning the UNIX Operating System, 2.4. Working with a Mouse
window variable, for setting screen size: UNIX Power Tools, 42.5. Checklist: Screen Size Messed Up?
Windowing Korn shell (wksh)
- Learning the Korn Shell, A. Related Shells
- Learning the Korn Shell, A.3. wksh
windows
- checking height and width: UNIX Power Tools, 42.6.2. Screen Width and Height: screensize
default
- setting size: UNIX in a Nutshell, Chapter 2, Reference: vi
emacs, commands for: UNIX in a Nutshell, 7.2.10. Window Commands
focus: Learning the UNIX Operating System, 2.3.1. Setting Focus
iconifying/maximizing: Learning the UNIX Operating System, 2.5.1. Using the Titlebar
managing: Learning the UNIX Operating System, 2.5. Working with Windows
menus for (mwm): Learning the UNIX Operating System, 2.5.4. The Window Menu
root (X Window System): Learning the UNIX Operating System, 2.3.3. The Root Menu
running software written for ASCII terminals: UNIX Power Tools, 41.8. ptys and Window Systems
size
- setting: UNIX in a Nutshell, Chapter 2, Reference: stty
testing for exactly 80 columns: UNIX Power Tools, 42.6.1. Single Line Screen Width: 80cols
testing long-line wrapping: UNIX Power Tools, 42.6.3. Set Width, Test Line Wrapping: longlines
titlebar: Learning the UNIX Operating System, 2.5. Working with Windows
X (see X Window System): Learning the UNIX Operating System, 2.1. Introduction to Windowing
xterm (see xterm windows): Learning the UNIX Operating System, 2.2. Starting X
wksh: Learning the Korn Shell, A. Related Shells
wm (wrapmargin) option
- Learning the vi Editor, 2.2.3. Movement Within a Line
- Learning the vi Editor, 7.1.4. Some Useful Options
- disabling for long insertions: Learning the vi Editor, 7.3.5. More Examples of Mapping Keys
repeating long insertions: Learning the vi Editor, 2.3.8.1. Repeat
word abbreviations
- Learning the vi Editor, 7.3.1. Word Abbreviation
- emacs: UNIX in a Nutshell, 7.2.8. Word-Abbreviation Commands
word lists
- (see also dictionary files)
arrays compared to: UNIX Power Tools, 47.5. Using C Shell Arrays
in C shells: UNIX Power Tools, 47.5. Using C Shell Arrays
variables set to: UNIX Power Tools, 46.7. Quoting and Command-Line Parameters
word substitution (csh): UNIX in a Nutshell, 5.5.3. Word Substitution
word vectors: UNIX Power Tools, 8.12. Which One Will the C Shell Use?
word-erase character: UNIX Power Tools, 9.2. Fix a Line Faster with Line-Kill and Word-Erase
wordfreq script
- UNIX Power Tools, 29.7. Count How Many Times Each Word Is Used
- UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
wordlist files: UNIX in a Nutshell, Chapter 2, Reference: spell
words
- (see also characters; lines; text)
- Learning the Korn Shell, 1.1. What Is a Shell?
- Learning the vi Editor, 2.6. Review of Basic vi Commands
- counting
- UNIX Power Tools, 29.6. Counting Lines, Words, and Characters: wc
- UNIX Power Tools, 29.7. Count How Many Times Each Word Is Used
counting in files: UNIX in a Nutshell, Chapter 2, Reference: wc
deleting by: Learning the vi Editor, 2.3.5.1. Words
- undoing deletions: Learning the vi Editor, 2.3.5.4. Problems with deletions
deleting parentheses around (example): Learning the vi Editor, 7.3.5. More Examples of Mapping Keys
doubled: UNIX Power Tools, 29.8. Find a a Doubled Word
extracting: UNIX Power Tools, 29.10. Just the Words, Please
lists of: (see word lists)
moving by
- Learning the vi Editor, 2.2.4. Movement by Text Blocks
- Learning the vi Editor, 3.2. Movement by Text Blocks
order of separation in command-line processing: Learning the Korn Shell, 7.3. Command-line Processing
replacing (changing)
- Learning the vi Editor, 2.3.3. Changing Text
- Learning the vi Editor, 2.3.3.1. Words
searching for general class of: Learning the vi Editor, 6.4.1. Search for General Class of Words
searching multiple files for: UNIX Power Tools, 17.21. lookfor: Which File Has that Word?
spell checking: (see spell checking)
to start/end of: (see characters)
transposing
- Learning the vi Editor, 2.3.6.1. Transposing two letters
- Learning the vi Editor, 7.3.2. Using the map Command
- Learning the vi Editor, 7.3.5. More Examples of Mapping Keys
troff emboldening codes around: Learning the vi Editor, 7.3.5. More Examples of Mapping Keys
working directory
- Learning the UNIX Operating System, 3.1.2. Your Working Directory
- Learning the UNIX Operating System, 3.1.6. Changing Your Working Directory
World Wide Web, described: UNIX Power Tools, 1.33. UNIX Networking and Communications
wq command (ex): UNIX in a Nutshell, Chapter 9, Reference: wq
:wquit command (elvis): Learning the vi Editor, 10.5. Multiwindow Editing
wrap option (elvis, vim): Learning the vi Editor, 8.6.5. Left-Right Scrolling
wraparound: UNIX Power Tools, 41.11. How termcap and terminfo Describe Terminals
wrapmargin (wm) option
- Learning the vi Editor, 2.2.3. Movement Within a Line
- Learning the vi Editor, 7.1.4. Some Useful Options
- disabling for long insertions: Learning the vi Editor, 7.3.5. More Examples of Mapping Keys
repeating long insertions: Learning the vi Editor, 2.3.8.1. Repeat
wrapping searches
- Learning the vi Editor, 3.3. Movement by Searches
- Learning the vi Editor, 3.3.1. Repeating Searches
wrapscan option
- Learning the vi Editor, 3.3.1. Repeating Searches
- Learning the vi Editor, 4.2.1. Advancing to a Specific Place
- Learning the vi Editor, 7.1.4. Some Useful Options
write command (sed): (see w command (sed))
write command (ex)
- UNIX in a Nutshell, Chapter 9, Reference: write
- UNIX Power Tools, 33.4. Useful ex Commands
write permission
- Learning the UNIX Operating System, 3.1.8.1. ls
- UNIX Power Tools, 22.2. Tutorial on File and Directory Permissions
- Learning the vi Editor, 1.1.2. Problems Opening Files
- Learning the vi Editor, 1.2.1. Problems Saving Files
- absence of: (see read-only files)
modifying without: UNIX Power Tools, 22.11. A Loophole: Modifying Files Without Write Access
sticky bit and: UNIX Power Tools, 22.6. Protecting Files with the Sticky Bit
write utility: UNIX Power Tools, 1.33. UNIX Networking and Communications
write( ): UNIX Power Tools, 20.6. Writing a Tape Drive on a Remote Machine
write-hook option (vile): Learning the vi Editor, 12.10.3. The Procedure Language
writing
- (see also output)
- UNIX Power Tools, 13.12. Writing to Multiple Terminals for Demonstrations
- from files: sed & awk, 5.11. Reading and Writing Files
regular expressions: sed & awk, 3.2.3. Writing Regular Expressions
scripts: sed & awk, 1.4. Four Hurdles to Mastering sed and awk
- awk: sed & awk, 7. Writing Scripts for awk
sed: sed & awk, 4. Writing sed Scripts
to files
- sed & awk, 2.3.2.1. Saving output
- sed & awk, 5.11. Reading and Writing Files
- sed & awk, 10.5. Directing Output to Files and Pipes
user-defined functions: sed & awk, 9.3. Writing Your Own Functions
writing the buffer
- (see also saving edits)
- Learning the vi Editor, 1.1. Opening and Closing Files
- autowrite and autosave options: Learning the vi Editor, 4.2.3. Recovering a Buffer
overriding read-only mode: Learning the vi Editor, 4.2.2. Read-only Mode
writing to standard output: UNIX in a Nutshell, Chapter 2, Reference: echo
ww function: UNIX Power Tools, 29.8. Find a a Doubled Word
WYSIWYG programs: UNIX Power Tools, 43.12.4. WYSIWYG Document Processors
Symbols
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