TY  - BOOK
AU  - Stallings,William, x
AU  - x
TI  - Operating systems: x
SN  - 8120311876
U1  - 001.644/S782o 
PY  - 2001///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - Computer programs
N1  - Includes
ER  -