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Index: W

wait command : 38.16. Why You Can't Kill a Zombie
in background jobs : 44.7. Exit Status of UNIX Processes
wallclock time
39.3. The csh time variable
39.5. Why Is the System So Slow?
watch command vs. vis command : 51.7. When You Get Impatient
watchq script
38.11. Printer Queue Watcher: A Restartable Daemon Shell Script
52.4. Quick Descriptions of What's on the Disc
wc command
8.6.1. Portability
29.6. Counting Lines, Words, and Characters: wc
Web, described : 1.33. UNIX Networking and Communications
weekday in crontab entries : 40.12.1. Execution Scheduling
werase key : 5.9. Setting Your Erase, Kill, and Interrupt Characters
whatis command : 50.4. whatis: One-Line Command Summaries
advantages : 50.4. whatis: One-Line Command Summaries
apropos compared to : 50.4. whatis: One-Line Command Summaries
examples : 50.4. whatis: One-Line Command Summaries
whence command : 4.10. Find All Command Versions with whereiz
whereis command
16.10. findcmd: Find a Command in Your Search Path
50.5. whereis: Finding Where a Command Is Located
-b option : 50.5. whereis: Finding Where a Command Is Located
examples
44.21. Picking a Name for a New Command
50.5. whereis: Finding Where a Command Is Located
-m option : 50.5. whereis: Finding Where a Command Is Located
-s option : 50.5. whereis: Finding Where a Command Is Located
-u option : 50.5. whereis: Finding Where a Command Is Located
whereiz script
4.10. Find All Command Versions with whereiz
52.4. Quick Descriptions of What's on the Disc
which command
16.10. findcmd: Find a Command in Your Search Path
50.8. Which Version Am I Using?
-a option : 4.10. Find All Command Versions with whereiz
alternatives to : 50.8. Which Version Am I Using?
examples
44.21. Picking a Name for a New Command
50.8. Which Version Am I Using?
setting the prompt variable : 2.10. Gotchas in set prompt Test
which program : 52.4. Quick Descriptions of What's on the Disc
while command (awk) : 33.11.7. Alphabetical Summary of Commands
while loops
44.10.2. Looping Until a Command Fails
44.15.2. With a Loop
in C shell : 47.4.2. Expressions
case statement used in : 45.22. Handling Files Line-by-Line
case statement used with : 44.17. Handling Arguments with while and shift
examples
44.10.2. Looping Until a Command Fails
44.17. Handling Arguments with while and shift
45.32. A Better read Command: grabchars
for loops compared to : 45.16. Standard Input to a for Loop
handling command-line arguments : 44.17. Handling Arguments with while and shift
jot command in : 45.11. The Multipurpose jot Command
multiple commands : 45.19. A while Loop with Several Loop Control Commands
read command used in
45.16. Standard Input to a for Loop
45.22. Handling Files Line-by-Line
redirected : 45.22. Handling Files Line-by-Line
shift command used with : 44.17. Handling Arguments with while and shift
test command used with : 44.17. Handling Arguments with while and shift
until loops compared to : 44.10.2. Looping Until a Command Fails
whitespace : 1.2. Who Listens to What You Type?
adding or deleting : 25.9. Adding and Deleting White Space
adding/deleting : 25.13. pushin: Squeeze Out Extra White Space
cat command and : 25.6. What's in That White Space?
double-spacing : 25.12. Double Space, Triple Space ...
in filenames
8.16. Quoting Handles Special Characters in Filenames
16.13. Can't Access a File? Look for Spaces in the Name
newline character : 1.29. When Is a File Not a File?
newline characters
4.9. Setting Up vi with the .exrc File
8.6.1. Portability
25.10. Squash Extra Blank Lines
problems with xargs : 9.22. xargs: Problems with Spaces and Newlines
TAB characters
8.18. Here Documents
24.6. Save Space with Tab Characters
wc command and : 29.6. Counting Lines, Words, and Characters: wc
"who are you?" error message : 50.12. Common UNIX Error Messages
who command
9.16. Command Substitution
51.4. Who's On?
52.4. Quick Descriptions of What's on the Disc
examples : 44.2. Writing a Simple Shell Program
on PowerTools disk : 51.4. Who's On?
whoami command : 2.12. Automatic Setups for Different Terminals
errors caused by : 50.12. Common UNIX Error Messages
wildcard characters
in case statements : 44.6. Pattern Matching in case Statements
wildcards
1.16. Wildcards
21.14. Automatically Appending the Date to a Filename
(see also pattern matching; special characters)
!$ sequence with : 11.6. Using !$ for Safety with Wildcards
with aliases : 8.9. Wildcards Inside of Aliases
creating files : 9.4. Use Wildcards to Create Files?
deleting files and : 23.2. rm and Its Dangers
in directory names : 17.2. Delving Through a Deep Directory Tree
file-naming : 15.1. File Naming Wildcards
find command and
17.4. Looking for Files with Particular Names
17.18. Using "Fast find"
in case statements : 44.5. Test String Values with Bourne Shell case
in for loops : 44.16. Handling Command-Line Arguments with a for Loop
matching dot files : 15.5. Matching All "Dot Files" with Wildcards
passing to programs : 1.18. Who Handles Wildcards?
in pathnames
15.1. File Naming Wildcards
15.6. Maybe You Shouldn't Use Wildcards in Pathnames
for regular expressions : (see regular expressions)
regular expression versus : 26.2. Don't Confuse Regular Expressions with Wildcards
set command using : 44.19. The Bourne Shell set Command
for special filename characters : 23.12. Using Wildcards to Delete Files with Strange Names
tar archives and : 20.9. When a Program Doesn't Understand Wildcards
window sessions
unlocking : 42.2. Fixing a Hung Terminal or Job
window variable
for setting screen size : 42.5. Checklist: Screen Size Messed Up?
windows
checking height and width : 42.6.2. Screen Width and Height: screensize
running software written for ASCII terminals : 41.8. ptys and Window Systems
testing for exactly 80 columns : 42.6.1. Single Line Screen Width: 80cols
testing long-line wrapping : 42.6.3. Set Width, Test Line Wrapping: longlines
with : (see also under specific filename (at first
word lists
arrays compared to : 47.5. Using C Shell Arrays
in C shells : 47.5. Using C Shell Arrays
variables set to : 46.7. Quoting and Command-Line Parameters
word vectors : 8.12. Which One Will the C Shell Use?
word-erase character : 9.2. Fix a Line Faster with Line-Kill and Word-Erase
wordfreq script
29.7. Count How Many Times Each Word Is Used
52.4. Quick Descriptions of What's on the Disc
wordlists : (see dictionary files)
words
counting
29.6. Counting Lines, Words, and Characters: wc
29.7. Count How Many Times Each Word Is Used
doubled : 29.8. Find a a Doubled Word
extracting : 29.10. Just the Words, Please
lists of : (see word lists)
searching multiple files for : 17.21. lookfor: Which File Has that Word?
spell checking : (see spell checking)
World Wide Web, described : 1.33. UNIX Networking and Communications
wraparound : 41.11. How termcap and terminfo Describe Terminals
write( ) : 20.6. Writing a Tape Drive on a Remote Machine
write command (ex) : 33.4. Useful ex Commands
write permission : 22.2. Tutorial on File and Directory Permissions
absence of : (see read-only files)
modifying without : 22.11. A Loophole: Modifying Files Without Write Access
sticky bit and : 22.6. Protecting Files with the Sticky Bit
write utility : 1.33. UNIX Networking and Communications
writing
13.12. Writing to Multiple Terminals for Demonstrations
(see also output)
ww function : 29.8. Find a a Doubled Word
WYSIWYG programs : 43.12.4. WYSIWYG Document Processors


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