000 00293nam a22001337a 4500
003 SGT
020 _a9780198082873
082 _a005.43,CHA
100 _aCHAUHAN, NARESH
245 _aPRINCIPLES OF OPERATING SYSTEMS
260 _aNEW DELHI
_bOXFORD
_c2014
300 _a669
942 _2ddc
_cBK
999 _c28485
_d28485