Srirengan, K. Understanding UNIX / - New Delhi : Prentice-Hall India, 2002. - IV 205 p : illustrations ; Includes index ISBN: 8120314891 9788120314894 Subjects--Topical Terms: UNIX (Computer file)MS-DOS (Computer file) LC Class. No.: QA 76.76 / SRI QA 76.76 / SRI