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Index: W
- wait command : Why You Can't Kill a Zombie
-
- in background jobs : Exit Status of UNIX Processes
- wallclock time
- watch command vs. vis command : When You Get Impatient
- watchq script
- wc command
- Web, described : UNIX Networking and Communications
- weekday in crontab entries : Execution Scheduling
- werase key : Setting Your Erase, Kill, and Interrupt Characters
- whatis command : whatis: One-Line Command Summaries
-
- advantages : whatis: One-Line Command Summaries
- apropos compared to : whatis: One-Line Command Summaries
- examples : whatis: One-Line Command Summaries
- whence command : Find All Command Versions with whereiz
- whereis command
-
- findcmd: Find a Command in Your Search Path
- whereis: Finding Where a Command Is Located
- -b option : whereis: Finding Where a Command Is Located
- examples
- -m option : whereis: Finding Where a Command Is Located
- -s option : whereis: Finding Where a Command Is Located
- -u option : whereis: Finding Where a Command Is Located
- whereiz script
- which command
-
- findcmd: Find a Command in Your Search Path
- Which Version Am I Using?
- -a option : Find All Command Versions with whereiz
- alternatives to : Which Version Am I Using?
- examples
- setting the prompt variable : Gotchas in set prompt Test
- which program : Quick Descriptions of What's on the Disc
- while command (awk) : Alphabetical Summary of Commands
- while loops
-
- Looping Until a Command Fails
- With a Loop
- in C shell : Expressions
- case statement used in : Handling Files Line-by-Line
- case statement used with : Handling Arguments with while and shift
- examples
- for loops compared to : Standard Input to a for Loop
- handling command-line arguments : Handling Arguments with while and shift
- jot command in : The Multipurpose jot Command
- multiple commands : while Loop with Several Loop Control Commands
- read command used in
- redirected : Handling Files Line-by-Line
- shift command used with : Handling Arguments with while and shift
- test command used with : Handling Arguments with while and shift
- until loops compared to : Looping Until a Command Fails
- whitespace : Who Listens to What You Type?
-
- adding or deleting : Adding and Deleting White Space
- adding/deleting : pushin: Squeeze Out Extra White Space
- cat command and : What's in That White Space?
- double-spacing : Double Space, Triple Space ...
- in filenames
- newline character : When Is a File Not a File?
- newline characters
- problems with xargs : xargs: Problems with Spaces and Newlines
- TAB characters
- wc command and : Counting Lines, Words, and Characters: wc
- "who are you?" error message : Common UNIX Error Messages
- who command
-
- Command Substitution
- Who's On?
- Quick Descriptions of What's on the Disc
- examples : Writing a Simple Shell Program
- on PowerTools disk : Who's On?
- whoami command : Automatic Setups for Different Terminals
-
- errors caused by : Common UNIX Error Messages
- wildcard characters
-
- in case statements : Pattern Matching in case Statements
- wildcards
-
- Wildcards
- Automatically Appending the Date to a Filename
- (see also pattern matching; special characters)
- !$ sequence with : Using !$ for Safety with Wildcards
- with aliases : Wildcards Inside of Aliases
- creating files : Use Wildcards to Create Files?
- deleting files and : rm and Its Dangers
- in directory names : Delving Through a Deep Directory Tree
- file-naming : File Naming Wildcards
- find command and
- in case statements : Test String Values with Bourne Shell case
- in for loops : Handling Command-Line Arguments with a for Loop
- matching dot files : Matching All "Dot Files" with Wildcards
- passing to programs : Who Handles Wildcards?
- in pathnames
- for regular expressions : (see regular expressions)
- regular expression versus : Don't Confuse Regular Expressions with Wildcards
- set command using : The Bourne Shell set Command
- for special filename characters : Using Wildcards to Delete Files with Strange Names
- tar archives and : When a Program Doesn't Understand Wildcards
- window sessions
-
- unlocking : Fixing a Hung Terminal or Job
- window variable
-
- for setting screen size : Checklist: Screen Size Messed Up?
- windows
-
- checking height and width : Screen Width and Height: screensize
- running software written for ASCII terminals : ptys and Window Systems
- testing for exactly 80 columns : Single Line Screen Width: 80cols
- testing long-line wrapping : Set Width, Test Line Wrapping: longlines
- with : (see also under specific filename (at first
- word lists
-
- arrays compared to : Using C Shell Arrays
- in C shells : Using C Shell Arrays
- variables set to : Quoting and Command-Line Parameters
- word vectors : Which One Will the C Shell Use?
- word-erase character : Fix a Line Faster with Line-Kill and Word-Erase
- wordfreq script
- wordlists : (see dictionary files)
- words
-
- counting
- doubled : Find a a Doubled Word
- extracting : Just the Words, Please
- lists of : (see word lists)
- searching multiple files for : lookfor: Which File Has that Word?
- spell checking : (see spell checking)
- World Wide Web, described : UNIX Networking and Communications
- wraparound : How termcap and terminfo Describe Terminals
- write( ) : Writing a Tape Drive on a Remote Machine
- write command (ex) : Useful ex Commands
- write permission : Tutorial on File and Directory Permissions
-
- absence of : (see read-only files)
- modifying without : Loophole: Modifying Files Without Write Access
- sticky bit and : Protecting Files with the Sticky Bit
- write utility : UNIX Networking and Communications
- writing
- ww function : Find a a Doubled Word
- WYSIWYG programs : WYSIWYG Document Processors
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