Remember, never try these commands at home, the office, or on a production system. 1. The big one: rm -rf / This is the command every Linux administrator knows -- or should know, anyway -- to avoid.

Beneath the surface of the well-known Linux commands lies a treasure trove of lesser-known utilities that can make your life easier, enhance your productivity, and even impress your fellow Linux users ...

You probably would never need to check 50 hops, but you can if needed. 5. ping. This is always the first command I use when networking problems arise. If my network seems down, I'll issue the command: ...

Use these Linux commands to verify connection speeds, analyze delays, ... 12.5Kb 25.0Kb 37.5Kb 50.0Kb 62.5Kb ...

Getting started with Linux can be more than a little daunting. In this article we help you learn the commands needed to find your way around and teach you how to find out more on your own.

The sudo command stands for “superuser do” and is one of the most important commands to know in Unix and Linux-based operating systems. (See the most important Linux commands for beginners .) ...

Since Linux filenames and commands are case-sensitive, it’s handy to know exactly how something is spelled. In short, think of ls as your scout that you can use to peek around the system. 5. man ...