000
00288nam a2200121Ia 4500
008
220201s2009 xx 000 0 eng d
082
_a
005.43
_b
NII
100
_a
NIIT
245
0
_a
Introduction to operating systems
260
_a
New Delhi
_b
Jaypee
_c
2009
300
_a
345
942
_2
ddc
999
_c
63892
_d
63892