Bash functions are essentially reusable wrappers around commands. You can use them to define complex command pipelines or to perform some detailed work and echo the result. They accept arguments and ...

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 ...

Linux 101: What does “sourcing a file” mean in Linux? Your email has been sent Jack Wallen explains the Linux source command by way of an example. Sourcing a file in Linux is a very important concept, ...

In this tutorial, you will learn how to write Bash scripts that run on Ubuntu and encode and package multiple files to HLS/DASH output using open-source tools FFmpeg and Bento4. You’ll learn how to ...

Recently I needed to create a script that processed two input files. By processed I mean that the script needed to get a line from one file, then get a line from the second file, and then do something ...

Bash is fairly easy to install, but using it is another matter. Here are some commands to help IT pros dip their toes in Bash. I have written quite a bit lately about the Bash shell that exists within ...

Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...

(1) For an overview of batch file commands, see batch file abc's. (2) A file containing data that is processed or transmitted from beginning to end. (3) A file of operating system commands that are ...

In the good old days when UNIX was young, no one ever would have thought of putting a space in a filename. It simply wasn't done—just as you'd never do that on a DOS or Windows system. Filenames were ...