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 the example below, there are two or ...

UNIX and Linux System Administration Handbook, Fifth Edition, is today’s guide to installing, configuring, and maintaining any UNIX or Linux system, including systems that supply core Internet and ...

The man pages on a Linux system can do more than provide information on particular commands. They can help discover commands you didn't realize were available. Man pages provide essential information ...

The vast majority of Linux distributions use systemd, including Arch, Red Hat, and Debian, and many of the distributions ...

Linux can have a somewhat split personality. If you use it as a desktop OS, it has a lot of GUI tools, although sometimes you still need to access the command line. If you use it as a headless server, ...

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 ...

I have been a Linux advocate for about ten years now. The first version of Linux I installed was Red Hat 3.0.3. I had used a UNIX-based system in graduate school, and I was somewhat familiar with how ...

How to use a Bash script for-loop for system administration in Linux Your email has been sent Bash scripting remains a staple of my endeavors in Linux as a system administrator, and I use it every day ...

In recent times, the security aspect of information technology has received considerable attention, and large organizations have dedicated security teams to keep tabs on vulnerabilities in their ...

Most Linux distributions are considerably more secure than Windows out of the box. There are many reasons for that, including the inherent user and file permissions structure, the addition of ...