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31 Opening the Software Toolbox
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An earlier version of this chapter appeared in the ‘What’s GNU?’  column
of the June 1994 ‘Linux Journal’
(https://www.linuxjournal.com/article.php?sid=2762).  It was written by
Arnold Robbins.

* Menu:

* Toolbox introduction::        Toolbox introduction
* I/O redirection::             I/O redirection
* The who command::             The ‘who’ command
* The cut command::             The ‘cut’ command
* The sort command::            The ‘sort’ command
* The uniq command::            The ‘uniq’ command
* Putting the tools together::  Putting the tools together