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ENABLE

Posted On 2007-04-30 by FortyPoundHead
Keywords: Command Reference
Tags: Linux Commandline Linux
Views: 1450


Enable and disable builtin shell commands.

SYNTAX
enable [-n] [-p] [-f filename] [-ads] [name ...]

OPTIONS
-a list each builtin with an indication of whether or not
it is enabled.

-d Delete a builtin loaded with `-f''.

-f load the new builtin command name from shared object filename,
on systems that support dynamic loading.

-n Disable the names listed, otherwise names are enabled.

-p Print a list of shell builtins, default if no name arguments appear
With no other arguments, the list consists of all enabled shell builtins.

-s Restrict to enable only POSIX special builtinsDisabling a builtin allows a disk command which has the same name as a shell builtin to be executed without specifying a full pathname, even though the shell normally searches for builtins before disk commands.

For example, to use the test binary found via $PATH instead of the shell builtin version, type `enable -n test''.

If there are no options, a list of the shell builtins is displayed.

If `-s'' is used with `-f'', the new builtin becomes a special builtin.

The return status is zero unless a name is not a shell builtin or there is an error loading a new builtin from a shared object.


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