Learning the Unix Operating System: A Concise Guide for the New User, Edition 5

sed & awk: UNIX Power Tools, Edition 2

sed and awk Pocket Reference: Text Processing with Regular Expressions, Edition 2

Linux in a Nutshell: A Desktop Quick Reference, Edition 6

Learning the bash Shell: Unix Shell Programming, Edition 3

Classic Shell Scripting: Hidden Commands that Unlock the Power of Unix

Linux Server Hacks: 100 Industrial-Strength Tips and Tools

The Design and Implementation of the FreeBSD Operating System: Edition 2

How Linux Works, 3rd Edition: What Every Superuser Should Know

vi Editor Pocket Reference

The Practice of System and Network Administration: DevOps and other Best Practices for Enterprise IT, Volume 1, Volume 1, Edition 3

The Linux Programming Interface: A Linux and UNIX System Programming Handbook

Advanced Programming in the UNIX Environment: Edition 3

Learning the vi and Vim Editors: Power and Agility Beyond Just Text Editing, Edition 8

Understanding the Linux Kernel: From I/O Ports to Process Management, Edition 3

AIX 7.2, PowerVM - UNIX, Virtualization and Security, An administrator's guide

lex & yacc: Edition 2

UNIX and Linux System Administration Handbook: Edition 5

Practical C Programming: Why Does 2+2 = 5986?, Edition 3