- Macmillan Computer Publishing. Full text of many books
online - see the Personal Bookshelf.
- O'Reilly. Publisher of books on Unix, X, the Internet
and Microsoft Windows. Often has material online.
- Linux Information.
Extensive documentation and links on Linux, a popular freely available implementation of
Unix. Includes searchable html manual pages. Matthew Peters, University of Kansas.
- Linux Online. Homepage for the Linux project.
See also WWW orientated guides under Web Authoring.