Peek, Jerry D. Students workbook for Learning the UNIX operating system / Jerry Peek, Grace Todino, and John Strang. - 5th ed. - Sebastopol, CA : O?Reilly, c2006 - 20 p. ; 23 cm. ISBN: 9780596009984 Subjects--Topical Terms: UNIX (Computer file) Operating systems (ComputeRed Sport) Dewey Class. No.: 005.43 PEE