UNIX : system V release 4 : the complete reference / Stephen Coffin. Coffin, Stephen. UNIX System V (Computer file) Operating systems (Computers). QA76.76.O63 C6415 1990 001.6425 20 COU Includes bibliographical references (p. 879-881) and index. Berkeley : Osborne McGraw-Hill, c1990. c1990. 1990 Text xxxviii, 905 p. ; eng