Function: Set the alias command. Syntax: alias [alias] = [command name] Parameters: Without any arguments, lists all of the current alias settings.
Description: The user can use alias, alias from a given instruction. If the input alias only, you can list all current aliases settings. effectiveness alias and only the operation of the sign-in. To each sign is set automatically alias i.e., may be / etc / profile or their
~ / .bashrc alias setting command.
Example:
. 1 = 'CD -'
unalias 1 // remove an alias
