Practical System Programming with C: Pragmatic Example Applications ...
Sri Manikanta Palakollu
Cyber Security and Network Security
Sabyasachi Pramanik & Debabrata Samanta & M. Vinay & Abhijit Guha
tmux (for Diego Cohen)
Brian P. Hogan
Bash Guide for Beginners: Everything You Need to Know about ...
Enriqueta Paneczko
SSH Mastery: OpenSSH, PuTTY, Tunnels and Keys
Michael W Lucas