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→Common Basic Commands
|touch||copy NUL: ''filename''||Creates an empty file (Linux: if the file exists, <code>touch</code> will just update the date/time of modification).
|}
To find a command to perform a particular function, use the <code>apropos</code> or <code>man -k</code> commands:
apropos calendar
man -k calendar # same as the above!
To view information about a Linux command, use the online manual ("manpages"), accessed with the <code>man</code> command: