Essential Linux Disk and Filesystem Commands Every Programmer Should Know

What Linux commands are

Linux commands are the operation instructions used to manage a Linux system, analogous to the visual actions performed in a Windows environment.

Everything is a file

In Linux, all resources—including CPU, memory, keyboard, and user accounts—are represented as files, and the command set resembles the older DOS commands.

Two categories of commands

Linux commands can be divided into two groups: native Linux commands and shell commands.

Learning approach

The author suggests a gradual learning method, mastering roughly ten to twenty commands per day to become comfortable with basic Linux operations.

Focus on disk and filesystem handling

Building on a previous article about file viewing and content manipulation, this piece turns to commands that manage disks and file systems.

Permission considerations

The discussed commands require appropriate permission and user authorization; without sufficient rights, even correctly written commands cannot be executed. The article promises to introduce four additional commands related to permission and user management.