[Appendix A] A.5 Other ex Commands
Author: Linda Lamb
Date: 1998-08-03T20:54:32Z

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| Appendix A Quick Reference |

## A.5 Other ex Commands

Abbreviations[1] |
`:map` `x sequence` | Define keystroke x as a command sequence
`:map!` `x sequence` | Define x as command sequence for insert mode
`:unmap` `x` | Disable the map x
`:unmap!` `x` | Disable insert mode map x
`:ab` `abbr` `phrase` | Abbreviate phrase as abbr; when abbr is typed in insert mode, it expands to full words or phrases
`:unab` `abbr` | Disable abbreviation
Customizing environment: [1] |
`:set` `option` | Activate option
`:set` `option=value` | Assign value to option
`:set no` `option` | Deactivate option
`:set` | Display options set by user
`:set all` | Display list of all current options, both default and those set by the user
`:set` `option``?` | Display value of option
`:` | Invoke `ex` from `vi` editor
`:vi` | Invoke `vi` editor from `ex`
`:sh` | Invoke shell
`^D` | Return to editor from shell
`:!` `command` | Give UNIX command
`:r` `newfile` | Read contents of newfile into current file
`:r !``command` | Read output of UNIX command into current file

> [1] In .exrc files, omit colon at the start of ex commands.

A.4 Command Line Options |  | B. Setting Environment Options