Unix

Absolute OpenBSD, 2nd Edition: Unix for the Practical Paranoid cover Absolute FreeBSD, 3rd Edition: The Complete Guide to FreeBSD cover Autotools, 2nd Edition: A Practitioner's Guide to GNU Autoconf, Automake, and Libtool cover FreeBSD Device Drivers: A Guide for the Intrepid cover How Linux Works, 3rd Edition: What Every Superuser Should Know cover The GNU Make Book cover Wicked Cool Shell Scripts, 2nd Edition: 101 Scripts for Linux, OS X, and UNIX Systems cover