Symbols & Numbers | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Index: W

\w in regular expressions: 32.9. Regular Expressions: Exceptions in a Character Set

41.7. Perl Boot Camp, Part 4: Pattern Matching

\W (non-word character character): 32.9. Regular Expressions: Exceptions in a Character Set

W3 mode (Emacs): 19.2. Emacs Features: A Laundry List

wait command: 24.19. Why You Can't Kill a Zombie

in background jobs: 35.12. Exit Status of Unix Processes

warning or error messages

Perl (-w option): 41.4. Perl Boot Camp, Part 1: Typical Script Anatomy

signals as: 24.10. What Are Signals?

watch command: 28.11. Repeating a Time-Varying Command

watchq script: 24.13. Printer Queue Watcher: A Restartable Daemon Shell Script

wc (word count) command: 16.6. Counting Lines, Words, and Characters: wc

c, -l, and w options: 16.6. Counting Lines, Words, and Characters: wc

whitespace in output: 16.6. Counting Lines, Words, and Characters: wc

web-browser mode (Emacs): 19.2. Emacs Features: A Laundry List

web browsers (see browsers)

Web, described: 1.21. Unix Networking and Communications

webjump feature, Emacs: 19.2. Emacs Features: A Laundry List

well-known ports, database of: 46.2. /etc/services Is Your Friend

werase key: 5.8. Setting Your Erase, Kill, and Interrupt Characters

wfcmgr program: 47.9.1. Citrix Metaframe

wget utility: 40.7. Interruptable gets with wget

options: 40.7. Interruptable gets with wget

What You See Is What You Mean (WYSIWYM) editing: 45.13. Formatting Markup Languages — troff, LATEX, HTML, and So On

whatis command: 2.2. whatis: One-Line Command Summaries

wheel (superuser group): 49.2. When Does a User Become a User

49.6. Groups and Group Ownership

whence command: 2.6. Which Version Am I Using?

whereis command: 2.3. whereis: Finding Where a Command Is Located

options: 2.3. whereis: Finding Where a Command Is Located

rsh, checking version of: 6.10.2. Starting a Remote Client with rsh and ssh

testing command names: 35.27. Picking a Name for a New Command

which command

alternatives to: 2.6. Which Version Am I Using?

checking for existing command names: 35.27. Picking a Name for a New Command

rsh, checking version of: 6.10.2. Starting a Remote Client with rsh and ssh

setting the prompt variable: 3.9. Gotchas in set prompt Test

while command (awk): 20.10.7. Alphabetical Summary of Commands

while loops: 31.6. Loop Control: break and continue

asking for variable names and displaying values: 37.2. Bourne Shell Debugger Shows a Shell Variable

case, shift, and test commands, using with: 35.22. Handling Arguments with while and shift

endless: 36.6. The Unappreciated Bourne Shell ":" Operator

36.26. Outputting Text to an X Window

/g pattern modifier and: 41.7. Perl Boot Camp, Part 4: Pattern Matching

handling command-line arguments: 35.22. Handling Arguments with while and shift

in Perl script: 41.4. Perl Boot Camp, Part 1: Typical Script Anatomy

read command used in: 36.11. Standard Input to a for Loop

with several loop control commands: 36.14. A while Loop with Several Loop Control Commands

stepping through command-line arguments: 35.20.2. With a Loop

test command used with: 35.26. test: Testing Files and Strings

testing exit status: 35.15.2. Looping Until a Command Fails

whitespace

blank lines, squashing extra with cat -s: 12.7. Squash Extra Blank Lines

displaying in a line with cat command: 12.4. Show Nonprinting Characters with cat -v or od -c

in filenames: 8.11. Can't Access a File? Look for Spaces in the Name

27.14. Quoting Special Characters in Filenames

finding files with: 9.9. Running Commands on What You Find

14.16. Problems Deleting Directories

ignoring in sort command: 22.6.2. Ignoring Blanks

leading, removing in Emacs from series of lines: 19.2. Emacs Features: A Laundry List

matching in Perl regular expressions with s: 41.7. Perl Boot Camp, Part 4: Pattern Matching

newline character: 1.19. When Is a File Not a File?

removing from text with dedent script: 5.21. Tips for Copy and Paste Between Windows

separating command arguments: 1.4. Communication with Unix

shell functions, spaces in: 29.11.1. Simple Functions: ls with Options

SPACE characters, ASCII: 5.14. Defining What Makes Up a Word for Selection Purposes

TAB characters

ASCII: 5.14. Defining What Makes Up a Word for Selection Purposes

stripping in Bourne shell scripts: 27.16. Here Documents

wc command output: 16.6. Counting Lines, Words, and Characters: wc

who am i command: 3.12. Terminal Setup: Testing Remote Hostname and X Display

who command: 2.8. Who's On?

28.14. Command Substitution

35.25.2. Setting (and Parsing) Parameters

examples: 35.1. Writing a Simple Shell Program

GNU version: 2.8. Who's On?

whois command: 46.9. Domain Name Service (DNS)

wildcards: 1.13. Wildcards

!$ sequence for safety with: 30.6. Using !$ for Safety with Wildcards

in aliases: 27.7. Wildcards Inside Aliases

in case statements: 35.10. Test String Values with Bourne-Shell case

35.11. Pattern Matching in case Statements

deleting files, use in: 14.3. rm and Its Dangers

for dot files: 14.16. Problems Deleting Directories

file creation and: 28.3. Use Wildcards to Create Files?

file-naming: 33.1. File-Naming Wildcards

expansion by shells: 33.2. Filename Wildcards in a Nutshell

failing to match: 33.4. What if a Wildcard Doesn't Match?

file name and extension as separate entities: 33.2. Filename Wildcards in a Nutshell

grep -l command, listing matching files: 33.6. Getting a List of Matching Files with grep -l

grep Ðc, listing nonmatching files: 33.7. Getting a List of Nonmatching Files

in pathnames: 33.1. File-Naming Wildcards

listing of: 33.2. Filename Wildcards in a Nutshell

nom script, listing nonmatching files: 33.8. nom: List Files That Don't Match a Wildcard

pathnames, not using in: 33.5. Maybe You Shouldn't Use Wildcards in Pathnames

shell handling of: 33.3. Who Handles Wildcards?

vgrep script, listing nonmatching files: 33.7.2. The vgrep Script

in for loops: 35.21. Handling Command-Line Arguments with a for Loop

limiting searches with: 9.18. Using "Fast find" Databases

ls command, using shell wildcard pattern: 8.7. Some GNU ls Features

regular expressions vs.: 32.2. Don't Confuse Regular Expressions with Wildcards

set command using: 35.25.4. Watch Your Quoting

shell expansion of: 32.2. Don't Confuse Regular Expressions with Wildcards

shell, matching with fast find commands: 9.19. Wildcards with "Fast find" Database

tar, using with: 38.10. Using Wildcards with tar

GNU tar: 38.10.2. With GNU tar

windows: 4.16. Preprompt, Pre-execution, and Periodic Commands

(see also terminals; X Window System; xterm)

chain of processes leading to: 24.20. The Process Chain to Your Window

closing by killing window processes: 24.22. Close a Window by Killing Its Process(es)

shell script, using: 24.22.3. Closing a Window from a Shell Script

web browser (example): 24.22.2. Example #2: A Web Browser

xterm window (example): 24.22.1. Example #1: An xterm Window

Emacs: 19.2. Emacs Features: A Laundry List

Gnome, on Linux: 1.10. The Kernel and Daemons

Linux, listing on: 1.10. The Kernel and Daemons

session info in title: 4.8. Session Info in Window Title or Status Line

starting new from shell: 24.3. Managing Processes: Overall Concepts

terminal without shells: 24.21. Terminal Windows Without Shells

testing size for: 3.16. Terminal Setup: Testing Window Size

twm window manager on VNC: 47.7.2. Setting up VNC on Unix

xmessage, setting to fit text: 36.26. Outputting Text to an X Window

wine program, emulating Windows API: 47.8.2. Wine

Winmodems,: 44.10. Win Is a Modem Not a Modem?

WINNAME environment variable: 3.17. Terminal Setup: Setting and Testing Window Name

wish shell: 1.6. There Are Many Shells

word lists

ispell program: 16.5. Adding Words to ispell's Dictionary

munchlist script: 16.5. Adding Words to ispell's Dictionary

spell command, in spellhist file: 16.4. Inside spell

variables set to: 37.5. Quoting and Command-Line Parameters

word vectors: 27.10. Which One Will the C Shell Use?

WORDLIST environment variable: 16.2. Check Spelling Interactively with ispell

overriding default personal word list: 16.5. Adding Words to ispell's Dictionary

words

abbreviation in vi editor: 17.23. vi Word Abbreviation

commands, using as: 17.24. Using vi Abbreviations as Commands (Cut and Paste Between vi's)

fixing typos with: 17.25. Fixing Typos with vi Abbreviations

breaking string into with :x operator: 28.5. String Editing (Colon) Operators

counting with wc command: 16.6. Counting Lines, Words, and Characters: wc

doubled: 16.7. Find a a Doubled Word

extracting: 16.9. Just the Words, Please

matching with < > in regular expressions: 32.12. Regular Expressions: Matching Words with < and >

selection

in xterm: 5.14. Defining What Makes Up a Word for Selection Purposes

work function: 29.11.3. Setting Current Shell Environment: The work Function

29.12. Shell Function Specifics

workgroups: 47.2. Installing and Configuring Samba

working area (CVS): 39.7. CVS Basics

repository for: 39.7. CVS Basics

updating workspace: 39.8. More CVS

workstations

configuring with DHCP: 46.10. Dynamic Host Configuration Protocol (DHCP)

display: 1.10. The Kernel and Daemons

private NAT for: 46.11. Gateways and NAT

world (file ownership): 50.2.1. User, Group, and World

World Wide Web, described: 1.21. Unix Networking and Communications

world-write file permissions: 50.2.1. User, Group, and World

sticky bit, setting for directory: 50.4. Protecting Files with the Sticky Bit

wrappers

shell script, for other scripts: 35.19. Shell Script "Wrappers" for awk, sed, etc.

TCP, checking logs in intruder detection: 48.12. TCP Wrappers

wrapping lines in vi, macro for: 18.13. vi Macro for Splitting Long Lines

write command: 1.21. Unix Networking and Communications

2.7. What tty Am I On?

ex editor: 20.4. Useful ex Commands

running from a daemon: 24.13. Printer Queue Watcher: A Restartable Daemon Shell Script

write permission

changing with chmod: 50.5. Using chmod to Change File Permission

denying: 50.7. Protect Important Files: Make Them Unwritable

for directories: 7.3. Access to Directories

implications of: 50.2. Tutorial on File and Directory Permissions

renaming or removing files: 50.4. Protecting Files with the Sticky Bit

directories, renaming or removing files: 50.4. Protecting Files with the Sticky Bit

files, modifying without: 50.9. A Loophole: Modifying Files Without Write Access

finding files by: 9.15. Searching for Files by Permission

group: 50.2.2. Which Group is Which?

script for adding, editing file, then removing: 50.7. Protect Important Files: Make Them Unwritable

scripts for changing: 50.8. cx, cw, c-w: Quick File Permission Changes

writewav.pl script: 41.4. Perl Boot Camp, Part 1: Typical Script Anatomy

writing output to terminal, enabling/disabling for background jobs: 23.9. Stop Background Output with stty tostop

writing-tar process: 10.13. Copying Directory Trees with tar and Pipes

wtmp file, login information: 3.1. What Happens When You Log In

WTS (Windows Terminal Services), connecting to with Citrix: 47.9. Citrix: Making Windows Multiuser

ww function: 16.7. Find a a Doubled Word

ww.sh script: 16.7. Find a a Doubled Word

wxPython GUI: 42.3.6. wxPython

WYSIWYG (What You See Is What You Get) editing programs: 20.1. Why Line Editors Aren't Dinosaurs

WYSIWYM editors: 45.13. Formatting Markup Languages — troff, LATEX, HTML, and So On

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