To list the shell builtin commands which are enabled
$ enable
To disable the shell builtin command alias
$ enable -n alias
check the list with
$ enable
$ alias c=clear
To make the alias command to enable again
$ enable alias
$ alias c=clear
$ c
To disable pwd command
$ enable -n pwd
check with
$ enable
$ pwd
To enable the pwd command again
$ enable pwd
$ pwd
To disable history command
$ enable -n history
check with
$ enable
$ history
To enable the history command
$ enable history
$ history
regards,
T.Dhanasekar