UNIX the textbook por Sarwar, Syed Mansoor, Koretsky, Robert

Your UNIX/LINUX the ultimate guide por Das, Sumitabha

UNIX and Linux system administration handbook

UNIX operating system the development tutorial via UNIX kernel services por Liu, Yukun

Available for University of the Philippines Diliman via SpringerLink. Click here to access

System programming with C and Unix por Hoover, Adam

Flex & bison por Levine, John R.

Guide to UNIX using Linux por Palmer, Michael J. 1948-

UNIX network programming por Stevens, W. Richard

Just enough Unix por Andersen, Paul K.

Introduction to UNIX and Linux por Muster, John