Before, I have posted here a few basic Linux terminal commands that I think are essential for newbies to know. I've also shared some deadly ones that should be avoided at all costs.

Sometimes, if you’re following a tutorial on doing something on your Linux box and you’re trying to fix something, you’ll be asked to go to a terminal and type in some commands. Often, these commands need to be run as root, the administrator.

The most referenced and most often used command on any Linux distribution is man, which lets users read the manual pages of other commands. Here are a couple of less well-known but useful commands that let you bookmark a position within a man page, and test a command you read from the man page without closing the page.

True, you don't NEED to know Linux shell commands these days; you can get along just fine with a GUI interface. But the command-line tools can still come in darned handy sometimes. Here’s the commands with which Linux desktop users should be most familiar, and guidelines about when to use them.

Running commands one right after the other can be a tedious way to get things done from the shell. What if there was a way to "chain" these commands together? Well fortunately Linux provides some ways to allow you to type in a bunch of commands at the prompt and run them as if it was one command.

When you are new to Linux you often seek to get help from others and almost most of the advices you get will be in the form of some commands such as ps, top, modprobe, lspci etc. Be careful when you run these commands as some Anti-Linux a**holes try to fool new Linux users in the name of tips and tutorials.If after following such command(s), you lose all your files, no one is to be blamed but you.

Not long ago, I have listed here some useful Linux terminal commands and those that I described as deadly. This time, I decided to gather some commands that I think have no practical use. I know it sounds interesting but you may disagree with me on some of the commands that I'll list here as you may find a few of them useful.

To use Linux nowadays, you don't have to touch the command line to get going. This may be true.

Have you ever wondered what will happen to your Linux/UNIX system if you'll run any of the 7 deadly Linux commands?