TY  - BOOK
AU  - Deitel, Harvey M.
TI  - An Introduction to operating systems: Including case studies in unix, OS/2, MS-DOS, macintosh, UM,MVS, open systems
U1  - 001.642  DEI 
PY  - 1990///
CY  - Delhi
PB  - Pearson Education (Singapore)
KW  - operating,systems
ER  -