Programming Perl (3rd Edition) - Paperback By Wall, Larry - VERY GOOD

Unix Shell Programming (3rd Edition)

Programming Perl (3rd Edition) - Paperback By Wall, Larry - GOOD

UNIX in a Nutshell: System V Edition, 3rd Edition (In a Nutshell - VERY GOOD

UNIX System Administration Handbook (3rd Edition) - Paperback - GOOD

The C Programming Language: Special Edition (3rd Edition) - VERY GOOD

Python Programming for the Absolute Beginner, 3rd Edition - Paperback - GOOD

C Programming Absolute Beginner's Guide (3rd Edition) - Paperback - GOOD