00498pamaa2200157 4500 0000027351 20100201090000.0 0138777136 005.43 MAD QA76.76.S95 MAD 1989 MADDIX Systems software : an introduction to language processors and operating systems Frank Maddix and Gareth Morgan. New York: Ellis Horwood, 1989. 234p.; 22cm. Computer systems. Operating systems Morgan, Gareth