Bach, Maurice J . The design of the UNIX operating system / Maurice J . Bach - New Delli : Prentice hall, c1998. - xiv, 47 p. : ill. ; 24 cm. ISBN: 8120305167 LCCN: Subjects--Topical Terms: Unix (Computer file) LC Class. No.: QA76.76 / .O63B33 1998 Dewey Class. No.: 005.43 / B118d