unalias - Removes alias definitions
The C shell has a built-in version of the unalias command. If you are using the C shell, and want to guarantee that you are using the command described here, you must specify the full path /usr/bin/unalias. See the csh(1) reference page for a description of the built-in command.
Interfaces documented on this reference page conform to industry standards as follows:
unalias: XPG4, XPG4-UNIX
Refer to the
reference page for more information
about industry standards and associated tags.
Removes all alias definitions from the current shell execution
The name of an alias to be removed.
the definition for each alias name specified. The aliases are removed from
the current shell execution environment.
The following exit values are returned:
One of the
specified did not represent a valid alias definition, or an error occurred.
The following environment variables affect the execution of
Provides a default value for the internationalization variables
that are unset or null. If
is unset or null, the corresponding value from the default locale is used.
If any of the internationalization variables contain an invalid setting, the
utility behaves as if none of the variables had been defined.
If set to a non-empty string value, overrides the values of
all the other internationalization variables.
Determines the locale for the interpretation of sequences
of bytes of text data as characters (for example, single-byte as opposed to
multibyte characters in arguments).
Determines the locale used to affect the format and contents
of diagnostic messages written to standard error.
Determines the location of message catalogues for the processing
Commands: alias(1), csh(1)