Das, Sumitabha UNIX: concepts and applications. - 2nd Ed. Sumitabha Das - 2nd ed. - New Delhi Tata McGraw Hill publishing 2000 - xix, 565p. ISBN: 0 07 463090 3 Subjects--Topical Terms: UNIX.Linux.Internet.TCP/IP.PERL Dewey Class. No.: 004.451U DAS