*** UNIX MANUAL PAGE BROWSER ***

A Nergahak database for man pages research.

Navigation

Directory Browser

1Browse 4.4BSD4.4BSD
1Browse Digital UNIXDigital UNIX 4.0e
1Browse FreeBSDFreeBSD 14.3
1Browse MINIXMINIX 3.4.0rc6-d5e4fc0
1Browse NetBSDNetBSD 10.1
1Browse OpenBSDOpenBSD 7.7
1Browse UNIX v7Version 7 UNIX
1Browse UNIX v10Version 10 UNIX

Manual Page Search

Manual Page Result

0 Command: alias | Section: 1 | Source: Digital UNIX | File: alias.1.gz
alias(1) General Commands Manual alias(1) NAME alias - Defines or displays aliases SYNOPSIS alias [-tx] [alias-name[=string...]] Note The C shell has a built-in version of the alias 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/alias. 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: alias: XPG4, XPG4-UNIX Refer to the standards(5) reference page for more information about in- dustry standards and associated tags. OPTIONS [DIGITAL] Sets or lists tracked aliases. [DIGITAL] Sets or lists ex- ported aliases. Note See the ksh(1) reference page for a description of tracked and exported aliases. OPERANDS Prints the alias definition on standard output. Assigns the value of string to the alias alias-name. If no options and no operands are specified, all alias definitions are printed on standard output. DESCRIPTION The alias utility creates or redefines alias definitions or writes the values of existing alias definitions to standard output. An alias def- inition provides a string value that replaces a command name when it is encountered. An alias definition affects the current shell execution environment and the execution environments of the subshells of the current shell. When used as described, the alias definition will not affect the parent process of the current shell nor any utility environment invoked by the shell. NOTES [DIGITAL] This reference page describes the creation and maintenance of aliases. See the Command Aliasing section of the ksh(1) or sh(1p) reference pages for the description of alias substitution. RESTRICTIONS [DIGITAL] If you use either the -t option or the -x option, you must use at least one alias-name or alias-name=string operand. [DIGITAL] Aliasing is performed when scripts are read, not while they are executed. Therefore, for an alias to take effect, the alias defin- ition command has to be executed before the command that references the alias is read. [DIGITAL] Aliases can be used to redefine special built-in commands but cannot be used to redefine the reserved words listed in the ksh(1p) reference page. EXIT STATUS The following exit values are returned: Successful completion. One of the name operands specified did not have an alias definition, or an er- ror occurred. EXAMPLES Change ls to give annotated output in columns: alias ls="ls -CF" Create a simple redo command to repeat previous entries in the command history file: alias r='fc -s' Cause du to use 1K units instead of the default 512-bytes: alias du=du\ -k Set up nohup so that it can deal with an ar- gument that is itself an alias name: alias nohup="nohup " ENVIRONMENT VARIABLES The following environment variables affect the execution of alias: Pro- vides 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 vari- ables contain an invalid setting, the utility behaves as if none of the variables had been defined. If set to a non-empty string value, over- ride the values of all the other internationalization variables. De- termines 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 for the format and contents of diagnostic messages written to standard error. Deter- mines the location of message catalogues for the processing of LC_MES- SAGES. SEE ALSO Commands: csh(1), ksh(1), Bourne shell sh(1b), POSIX shell sh(1p), un- alias(1) Standards: standards(5) alias(1)

Navigation Options