Learning GNU Emacs

by Debra Cameron, Bill Rosenblatt

Emacs is the most powerful text editor available today.

Nelly Gnu and Daddy too

by Anna Dewdney

Debugging with GDB

by Richard M. Stallman, Richard Stallman

You can use this manual at your leisure to read all about GDB.

GNU Emacs manual

by Richard Stallman

Gli gnomi di gnù

by Eugenio Carmi, Umberto Eco

GNU make

by Richard Stallman

"The make utility automatically determines which pieces of a large program need to be recompiled, and issues commands to...

GNU Emacs

by Debra Cameron

The GNU make book

by John Graham-Cumming

GNU Emacs Manual

by Richard M. Stallman

Programming with GNU software

by Michael Kosta Loukides, Andy Oram

Writing GNU Emacs extensions

by Bob Glickstein

Learning Debian GNU/Linux

by Bill McCarty

The Linux bible

by Matt Welsh

What's gnu?

by Michelle Arnot

GNU Bash Reference Manual

by Chet Ramey, Brian J. Fox

Managing projects with GNU make

by Robert William Mecklenburg

GNU Emacs Manual

by Richard Stallman

Sistema operativo GNU/Linux básico

by Roger Baig i Viñas, Francesc Aulí Llinàs

Day in the Life of a Poo, a Gnu and You

by Mike Barfield, Jess Bradley

GNU Autoconf, Automake, and Libtool

by Tom Tromey, Gary V. Vaughan