McGraw-Hill Education
Ubuntu: The Complete Reference
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Packt Publishing
Bash Quick Start Guide: Get up and running with shell scripting with Bash
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Lulu.com
Unix Workbook
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O'Reilly
Mac OS X Tiger in a Nutshell: A Desktop Quick Reference (In a Nutshell (O'Reilly))
R 730
Rampant TechPress
Oracle Shell Scripting: Linux and Unix Programming for Oracle (Oracle In-Focus)
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O'Reilly
LPI Linux Certification in a Nutshell: A Desktop Quick Reference (In a Nutshell (O'Reilly))
R 1,014
Apress
Harley Hahn's Emacs Field Guide
R 2,027
McGraw-Hill Education
UNIX: The Complete Reference, Second Edition
R 1,329
Peachpit Press
Unix and Linux: Visual QuickStart Guide (Visual QuickStart Guides)
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Wiley
Mastering Unix Shell Scripting: Bash, Bourne, and Korn Shell Scripting for Programmers, System Administrators, and UNIX Gurus
R 1,336