Sudo lets you run any terminal command as another user — hence "substitute user" — but the default and most common use for it ...

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 ...

Ubuntu is one of the most customizable operating systems available. In order to begin to understand the various complexities of the system, you need to become familiar with the most basic commands at ...

There are a number of Linux commands that will display file system types along with the file system names, mount points and such. Some will also display sizes and available disk space. The df command ...

Learn how to record terminal sessions on Linux using Asciinema and convert them into clean animated GIFs for READMEs and ...

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 ...

Devices can be character devices (like keyboards and serial ports), block devices (such as hard disks and USB devices), network devices and virtual devices. On Linux systems, devices are represented ...

As Terry Lambert, the developer behind Linux ancestor Unix, once said, "It is not Unix's job to stop you from shooting your foot. If you so choose to do so, then it is Unix's job to deliver Mr. Bullet ...

When it comes to package management on Linux systems, two popular tools are YUM and APT. YUM, short for Yellowdog Updater Modified, is commonly used in Red Hat-based distributions like CentOS and RHEL ...