Forouzan, Behrouz A. UNIX and Shell programming : a textbook / Behrouz A. Forouzan and Richard F. Gilberg - India Cengage Learning 2003. - 875 p. ISBN: 9788131503256 Subjects--Topical Terms: ᅠOperating systems (computers)ᅠUNIX ShellsᅠUNIX (Computer file)ᅠ Dewey Class. No.: 005.282 FOR-B