000
00316nam a2200145Ia 4500
100
_a
Hansen/P.B.
942
_c
BK
654
_a
operating systems
245
_a
Operating system principles
260
_b
prentice hall
_a
New Delhi
_c
1986
082
_a
1.64
_b
HAN
300
_a
366
546
_a
ENGLISH
999
_c
34958
_d
34958