00478pamaa2200169 4500 0000016938 20100201090000.0 1565921275 005.43 FRI QA76.76.O63 FRI 1995 FRISCH Essential system administration Aeleen Frisch. 2nd revised and updated edtion. California: O'Reilly, 1995. xi, 758p.: 24cm. Operating systems (Computers) UNIX (Computer file)