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Index: V

variables
- Quoting and Command-Line Parameters
- (see also shell variables; under specific variable name)
- Bourne shell syntax : Variable Syntax
- in C shell : Variables
- C shell syntax : Variable Syntax
- environment : (see environment variables)
- errors caused by : Stop Syntax Errors in String Tests
- finding directories and files : Variables Help You Find Directories and Files
- multiple : Making a for Loop with Multiple Variables
- set to argv : Quoting and Command-Line Parameters
- set to word lists : Quoting and Command-Line Parameters
- shell : (see shell variables)
- shell scripts setting : Bourne Shell Debugger Shows a Shell Variable
- in subshells : Using {list} to Group Bourne Shell Commands
- tracing : verbose and echo Variables Show Quoting
- variable substitution, advantages of : Anyone Can Program the Shell
VAX/VMS command language (DCL)
- emulating : There Are Many Shells
verbose shell variable
- Special C Shell Variables
- verbose and echo Variables Show Quoting
versions
- awk utility : Versions of awk
- UNIX : About UNIX Versions
vertical bar : (see |)
vgrep script
- Getting a List of Non-Matching Files with grep -c
- Quick Descriptions of What's on the Disc
vi editor
- @-functions : vi @-Functions
- abbreviations
- - vi Word Abbreviation
  - Good Stuff for Your .exrc File
- appending to file : Appending to an Existing File
- autowrite option : Job Control and autowrite: Real Time Savers!
- C included files : Keep Track of Functions and Included Files with ctags and tags
- capitalizing words : Capitalizing Every Word on a Line
- complex macros : Fooling vi into Allowing Complex Macros
- compound searches : vi Compound Searches
- confirming substitutions : Confirming Substitutions in ex and vi
- counting occurrences : Counting Occurrences; Stopping Search Wraps
- cursor motion in input mode : Text-Input Mode Cursor Motion with No Arrow Keys
- deleting by patterns : Moving Blocks of Text by Patterns
- development of : The Idea of a Terminal Database
- ex open mode : The ex Open Mode Can Be Handy
- EXINIT variable : Predefined Environment Variables
- .exrc file with : Setting Up vi with the .exrc File
- file recovery : vi/ex File Recovery vs. Networked Filesystems
- filtering text
- - Filtering Text with vi
  - Neatening Lines
- function keys : Command Mode Maps
- keys not used : Command Mode Maps
- line vs. character commands : vi Line Commands vs. Character Commands
- map commands
- - Save Time and Typing with the vi map Commands
  - Protecting Keys from Interpretation by ex
- marking : Finding Your Place with Undo
- modelines : Modelines: Bug or Feature?
- mouse-based editors versus : Mice vs. vi
- moving by patterns : Moving Blocks of Text by Patterns
- moving/copying text : Get Back What You Deleted with Numbered Buffers
- multiple setup files
- - Multiple Editor Setup Files; Starting with a Search
  - Per File Setups in Separate Files
- multiple vi sessions : Using vi Abbreviations as Commands (Cut and Paste Between vi's)
- named buffers : Using Buffers to Move or Copy Text
- neatening lines
- - Neatening Lines
  - vi Macro for Splitting Long Lines
- noremap command : Don't Lose Important Functions with vi Maps: Use noremap
- numbered buffers : Get Back What You Deleted with Numbered Buffers
- pasting into window : Keymaps for Pasting into a Window Running vi
- patterns
- - Using Search Patterns and Global Commands
  - Moving Blocks of Text by Patterns
  - vi Compound Searches
- quoting control characters : Protecting Keys from Interpretation by ex
- reverting to saved : Editing Multiple Files with vi
- running ex scripts : Running Editing Scripts Within vi
- save as new file : Editing Multiple Files with vi
- saving as new file : Keep Your Original File, Write to a New File
- saving part of file : Saving Part of a File
- set directory command : Out of Temporary Space? Use Another Directory
- settings
- - Local Settings for vi and ex
  - Setting vi Options Automatically for Individual Files
- shell escapes : Shell Escapes: Running One UNIX Command While Using Another
- spell command with : How Do I Spell That Word?
- startup commands : Local Settings for vi and ex
- stopping search wraps : Counting Occurrences; Stopping Search Wraps
- switching between files : Editing Multiple Files with vi
- tags files : Keep Track of Functions and Included Files with ctags and tags
- transfer text between files : Edits Between Files
- undoing changes
- - Get Back What You Deleted with Numbered Buffers
  - Confirming Substitutions in ex and vi
  - Finding Your Place with Undo
- yank buffers : Edits Between Files
virtual consoles : Running Multiple Shell Sessions with screen
virtual memory performance : Why Is the System So Slow?
virtual terminal interface : How We Made It This Far (Back?)
vis command
- When You Get Impatient
- Quick Descriptions of What's on the Disc
- C shell history compared to : When You Get Impatient
- -d option : When You Get Impatient
- display compared to : When You Get Impatient
- examples : When You Get Impatient
- rep compared to : When You Get Impatient
- -s option : When You Get Impatient
- watch compared to : When You Get Impatient
VISUAL environment variable : Predefined Environment Variables
vless script : Quick Descriptions of What's on the Disc
vmore script : Quick Descriptions of What's on the Disc
vmstat : The Memory Subsystem
- reporting of network statistics : The I/O Subsystem
vnode numbers : Finding the Links to a File
vpg script : Quick Descriptions of What's on the Disc
VT100 terminals, escape sequences for highlighting : Highlighting in Shell Prompts
vtree program
- The vtree Visual Directory Tree Programs
- Quick Descriptions of What's on the Disc

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