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

Logs, databases, and caches grow under /var. Learn why Linux admins monitor the /var directory to prevent disk issues and service failures.

Back in the early days of Linux, things were exponentially more complicated. The distributions were far less mature and required a particular system account to get things done. That account was root - ...

The command-line interface (CLI) is the cornerstone of interacting with the Linux operating system. It allows users to enter commands directly, offering greater control and flexibility compared to ...

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 ...

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 ...