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A free ebook for mastering the shell, command usage, basic scripting, and common tools
An excellent beginner-friendly guide to Bash scripting and shell fundamentals.
A comprehensive, example-driven guide to Bash scripting (intermediate to advanced)
An overall introduction to Linux system basics, including filesystem, commands, editors, and user space tools.
Focuses on networking topics like TCP/IP, routing, firewalls, DNS, and other network services.
Covers system hardening, access controls, authentication, basic security practices, and much more
A free official handbook covering Debian installation, package management, networking, and sysadmin
A beginner-friendly Linux guide aimed at newcomers covering command line, users, and basic system tasks.
