Category: News

What is "-n" in shell?

For most of you it might be an easy question. However, I'm just new to shell scripting and somewhere I saw this: #!/bin/sh X=0 while [ -n "$X" ] do e...

Why Turn Collate Off

Why would someone want to print multiple copies of a document and not collate them? (So, in other words, why print a 5 page document in this order: 11111,...