Kernighan, Brian W. The UNIX programming environment / Brian W. Kernighan, Rob Pike. - Englewood Cliffs, N.J. : Prentice-Hall, 1984. - x, 357 p. : ill. ; 25 cm. - Prentice-Hall software series . Includes index. ISBN: 0139376992 013937681X (pbk.) LCCN: 83062851 Subjects--Uniform Titles: UNIX (Computer file) Subjects--Topical Terms: Computer programming. LC Class. No.: QA76.6 / .K495 1984 Dewey Class. No.: 001.64/25