The UNIX programming environment / Brian W. Kernighan, Rob Pike. U.N.I.X. programming environment. Kernighan, Brian W. Pike, Rob. UNIX (Computer file). Computer programming. QA76.6 .K495 1984 005.43 19 KEU Includes index. Englewood Cliffs, N.J. ; New Delhi : Prentice-Hall, c1984. c1984. 1984 Text x, 357 p. : eng Prentice-Hall software series