Hahn, Harley The UNIX companion Harley Hahn. - Berkeley Osborne McGraw-Hill c1995. - xxxiv, 804 p. ill. 24 cm. Includes indexes. ISBN: 0078821495 LCCN: 96124571 Subjects--Uniform Titles: UNIX Computer file Subjects--Topical Terms: Operating systems Computers. LC Class. No.: QA76.76.O63 / H343 1995 Dewey Class. No.: 005.4/3