If you're reading this publication, you already know that Linux is one of the most powerful and versatile operating systems available today. If you're an old-timer like me, you also know all about the ...

In addition to the fairly common forms of input/output redirection the shell recognizes something called process substitution. Although not documented as a form of input/output redirection, its syntax ...

I'm trying to take the output of a command and pipe it to the input of another command, but ONLY if the first command succeeds.<br><br>I'd like this to be a 1-liner as well, I know how to do it ...