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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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