Ault, Michael R. UNIX system administrator's companion / Michael R. Ault. - New York : John Wiley & Sons, c1996. - xii, 356 p. ; 24 cm. ISBN: KES 500 (donation) Subjects--Topical Terms: UNIX (Computer file)Operating systems (Computers) LC Class. No.: QA76.76 / .O63A95 1996