31 Opening the Software Toolbox

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

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