Home Unix What is the alias mechanism in UNIX? The alias command allows the user to specify or assign another name to a command. It can be also used to club together a group of commands.For ex. alias dir ‘ls -sFC’ The above command on being executed would tell the shell that dir is another name for the command ls -sFC. In this way, the user can simply assign an alias name to a command that could be difficult to remember. Now the user simply needs to use the specified alias name as given by him in place of the command for the same effect as the code.The user can check the number of aliases active by typing in the command from the shell: uhunix% alias pwdls ‘pwd; ls -sFC’
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