Korn Shell Programming by Example

unalias

Official Description

Removes alias definitions.

Syntax

unalias alias-name... | [-a]

Options

-a removes all alias definitions.

Oddities

The C shell has its own version of this command.

Example

$ alias cat=ls               # Make two aliases
$ alias p=ps
$
$ alias                      # Display alias list
2d='set -f;_2d'
autoload='typeset -fu'
cat=ls
command='command '
fc=hist
float='typeset -E'
functions='typeset -f'
hash='alias -t --'
history='hist -l'
integer='typeset -i'
nameref='typeset -n'
nohup='nohup '
p=ps
r='hist -s'
redirect='command exec'
stop='kill -s STOP'
suspend='kill -s STOP $$'
times='{{time;}  2>&1;} '
type='whence -v'
$
$ unalias –a                 # Blow them all away
$
$ alias                      # Gone
$