The Gnu Emacs Lisp Reference Manual (GNU Emacs Version 21) (2 Vo

Gnu Make Reference Manual

Using GCC: The GNU Compiler Collection Reference Manual for GCC 3.3.1 by Stallm

The Gnu Emacs LISP Reference Manual: Edition 2.4 for Version 1...

Gnu Scientific Library: Reference Manual, Galassi, Mark,Davies, Jim,Theiler, Jam

Gnu Grub Reference Manual

GNU Bash Reference Manual By Chet Ramey, Brian Fox

Gnu Octave Manual Version 3 by Eaton, John W.; Bateman, David; Hauberg, Soren