If you're working in a Linux environment, chances are you've encountered environment variables—even if you didn’t realize it at the time. They quietly power much of what goes on behind the scenes in ...

Hi there,<br><br>I have seeing some shell script examples that use (use, not declare!) variables like this:<br><br><pre class="ip-ubbcode-code-pre">${VAR_1}</pre> <br ...

Ok, I can't script my way out of a papper bag, so I need help with this.<P>I declare some variables at the prompt:<P>export catname=Fluffy<BR>export dogname=Spot<P>I ...