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Learn how file ownership and permissions work in Unix-like operating systems. Understand how to change ownership and permissions of files and directories using chown and chmod commands.

Learn how to navigate the file system and edit text files in Linux. Use commands like cat, head, tail, vi, and nano to view and edit text files.

Learn how to work with variables in the Linux shell environment. Understand the difference between local and environment variables and how to define, export, and unset variables.

A list of Linux commands. Learn how to navigate the file system, manage processes, and more!

A step-by-step guide to install Ubuntu in VirtualBox. Learn how to create a new virtual machine and install Ubuntu on it.