Jean Marie <jm@altern.org>  wrote:

Jean> I would like to know if there's a book that
Jean> references, describes and explains the commands
Jean> available for compilation under X Window.

There are some.  Take a look at

http://www.oreilly.com/catalog/{v1,v2,v3m,v4m,v5,v6a,v6b,v8}

Hope this helps.

--
SUNAGAWA Keiki <kei@ps.yokogawa.co.jp>
Happy Hacking!