An associative array is an array which uses strings as indices instead of integers. To see how associative arrays work, we’re going to look at both the Korn shell and Perl, though only the newest ...

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 ...

Linux, known for its robustness and flexibility, has been a favorite among developers, system administrators, and technology enthusiasts. One of the pillars of Linux's capabilities is its inherent ...

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

You need to package up a bunch of files, send them somewhere, and do something with them at the destination. It isn’t an uncommon scenario. The obvious answer is to create an archive — a zip or tar ...

FFmpeg was designed as a cross-platform solution for video and audio recording, conversion, and streaming. Its About page describes the command-line tool as “the leading multimedia framework, able to ...

shc is a popular tool for protecting shell scripts that contain sensitive information such as passwords. Its popularity was driven partly by auditors' concern over passwords in scripts. shc encrypts ...