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unalias(1) General Commands Manual unalias(1) NAME unalias - Removes alias definitions SYNOPSIS unalias alias-name... unalias -a Note 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. STANDARDS Interfaces documented on this reference page conform to industry stan- dards as follows: unalias: XPG4, XPG4-UNIX Refer to the standards(5) reference page for more information about in- dustry standards and associated tags. OPTIONS Removes all alias definitions from the current shell execution environ- ment. OPERANDS The name of an alias to be removed. DESCRIPTION The unalias utility removes the definition for each alias name speci- fied. The aliases are removed from the current shell execution environ- ment. EXIT STATUS The following exit values are returned: Successful completion. One of the alias-name operands specified did not represent a valid alias defi- nition, or an error occurred. ENVIRONMENT VARIABLES The following environment variables affect the execution of unalias: Provides a default value for the internationalization variables that are unset or null. If LANG 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 multi- byte characters in arguments). Determines the locale used to affect the format and contents of diagnostic messages written to standard er- ror. Determines the location of message catalogues for the processing of LC_MESSAGES. SEE ALSO Commands: alias(1), csh(1) Standards: standards(5) unalias(1)