Linux systems support pipes that enable passing output from one command to another, but they also support 'named pipes,' which are quite different. Most people who spend time on the Linux command line ...

Oh, Danny Boy, the pipes, the pipes are calling. But if you want to call them back, you need to give them names. Unix pipes are wonderful because they keep you from having to write intermediate ...

It’s been nearly 20 years since I first came across the Useless Use of Cat (UUOC) awards. Unix notable and Perl disciple Randall Schwartz had begun handing out these embarrassing awards around 1995 to ...

Carrying over from yesterday’s examination of the Ubuntu command line, today’s installment of 30 Days With Ubuntu Linux is dedicated to ‘man’ and ‘grep’. These commands wield significant power, and ...

The grep command is regarded as one of the most essential building blocks of command line automation. It is a search tool that can be used to perform basic text filtering and processing tasks on files ...