The ls command is a well-known and often used command-line program that is used to list directory contents by name; in fact, it could be argued that it is the most used Linux command-line program. $ ...

Linux commands often have long lists of options they support, many of which are single-letter mnemonics. These can be tricky to learn and remember, but their redeeming feature is their reusability: ...

Whether you're curious or need to get something done, if you're on Linux, sooner or later, you're going to have to deal with the terminal. It's not so scary. Here's how to get started on the Linux ...

Working on the command line is an integral part of being a successful Linux user. You need to have a firm grasp of certain commands to work effectively. There are even certain commands that you must ...

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 ...