With the right set of functions and aliases, Unix users can save themselves time and trouble and make their Unix accounts a lot nicer to use. In today’s “how to”, we’re going to look at a simple ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

Shell builtins are commands that are loaded into memory when a shell — such as bash, sh, or zsh — is invoked. The reason for this is that keeping these commands in memory helps ensure that these ...

One of the most common arguments against Linux as a whole is that it’s an operating system that relies heavily on the command-line, and thus it’s not for the novice user. Years ago, I wouldn’t have ...