UNIX Systems Programming: Communication, Concurrency and Threads
Kay A. Robbins & Steven Robbins
UNIX Shells by Example
Ellie Quigley
Rapid GUI Programming With Python and Qt
Mark Summerfield
Practical Programming in Tcl and Tk
Brent B. Welch
Perl
Oracle PL/SQL by Example
Benjamin Rosenzweig & Elena Silvestrova
Oracle DBA Guide to Data Warehousing and Star Schemas
Bert Scalzo
Linux Desk Reference
Scott Hawkins
LINUX Assembly Language Programming
Bob Neveln
Interprocess Communications in Linux
John Shapley Gray
Core Python Programming
Wesley J. Chun