Hahn, Harley, 1952- Harley Hahn's student guide to Unix / Harley Hahn - 2nd ed - Boston : WCB/McGraw-Hill, c1996 - xxxi, 746 p. : ill ; 24 cm Includes index ISBN: 9780070254923 : Free Subjects--Topical Terms: Operating systems (Computers)UNIX (Computer file) Dewey Class. No.: 005.43 / H148H 1996