C shell (csh) Fundamentals
Einführung in Unix/Linux für Naturwissenschaftler: Effizientes wissenschaftliches Arbeiten mit der Unix-Kommandozeile (German Edition)
Ubuntu Server Administration (Network Professional's Library)
Bash kurz & gut (German Edition)
Kali Linux Hacking: A Complete Step by Step Guide to Learn the Fundamentals of Cyber Security, Hacking, and Penetration Testing. Includes Valuable Basic Networking Concepts.
Advanced Unix Shell Scripting: How to Reduce Your Labor and Increase Your Effectiveness Through Mastery of Unix Shell Scripting and Awk Programming
Pro Bash: Learn to Script and Program the GNU/Linux Shell
Mac OS X: The Missing Manual, Tiger Edition