One of the most convenient ways to manipulate information in scripts is to store it in an array. Arrays facilitate looping through lists of related values, keeping track of an ever changing number of ...

On Unix — the progenitor of Linux — there was /bin/sh. It was simple, by comparison to today’s shells, but it allowed you to enter commands and — most importantly — execute lists of commands. In fact, ...

Programmers Ken Thompson and Dennis Ritchie are most often credited with the invention of Unix at Bell Labs in 1969 and the early 1970s. That’s entirely fair, but as with most important technologies, ...