Forouzan , B. & Gilberg, R. Unix and Shell Programming : A Text Book - 1st Ed. - New Delhi Cengage Learning India Pvt. Ltd. 2003 - xi,875p. 24 cm. Text in English ISBN: 8131503259 Subjects--Facted Index Terms: COMP Index Terms--Genre/Form: F-14 Dewey Class. No.: 001.6424 / FOR