If you’re considering adding Linux to your data center, or your company is looking at promoting you to become their first (or next) Linux admin, you probably understand there are lots of commands to ...

Commands that provide help are essential. Here's a look at some of the help you can get from the Linux system itself. Even after you’ve used Linux for a while, you will still find yourself needing ...

Everyone knows that Linux makes a great Web server. Some network administrators even use it in conjunction with Samba to create file servers that Windows workstations can access as easily as Windows ...

It’s a testament to how far Linux has come that users today don’t typically have to use the command line if they don’t want to. Such is the quality of the graphical user interfaces in many modern ...

Sudo is one of the most powerful and dangerous tools in the Unix or Linux system administrator's toolbox. With it, an ordinary user can run commands just as if he or she were the superuser or any ...

Linux 101: How to create a directory from the command line Your email has been sent Hello admins, Jack Wallen here with a Linux 101-level tip. This time around we’re going to learn how to create a ...

The which command will show you the file-system location for a command’s executable. This is the file that is read and run whenever you type the command name. In ...

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 ...