UNIX® System Administrator′s Bible

PERL Resource Kit Unix Edition 4 Tutorial/Reference Books No CD ROM

The Design of the UNIX Operating System

The Journal of UNIX System Administration UNIX PB Journal Lot

Unix System V Release 4 - Programmer's Guide Networking Interfaces 1990 PB Book

Vintage UNIX Books Lot Bourne UNIX System + Starting With UNIX 80s PB

The Design of the UNIX Operating System Maurice J. Bach HC Prentice Hall

UNIX in a Nutshell: System V Edition: System V, Release 4 (Nutshell Handbooks)