Parker, Tim, Unix user's handbook / Tim Parker. - New Delhi : Galgotia Publications Pvt Ltd , 1993. - xxvi, 574 p. : 23 cm. Microtrend books 1993 ; ISBN: 0915391473 (pbk.) : Subjects--Topical Terms: Operating systems (Computers) Dewey Class. No.: 001.6425 / PAR N93U