TY  - BOOK
AU  - Crowley, Charles
TI  - Operating systems: a design-oriented approach 
SN  - 0074635514
U1  - 005.43 C8864 Op 
PY  - 1998///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Operating systems (Computers)--
ER  -