[Appendix A] A.5 Other ex Commands

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.