Kernighan, Brian W. The UNIX programming environment / Brian W. Kernighan, Rob Pike. - Englewood Cliffs, N.J. : Prentice-Hall, c1984. - x, 357 p. : ill. ; 25 cm. ISBN: 9780139376818 Subjects--Topical Terms: Computer programming. Dewey Class. No.: 001.6425 KER