000 00307nam a22001217a 4500
020 _a9788123918464
082 _222
_a005.2
100 _aPrasanalakshmi, B.
245 _aComputer operating system /
260 _aNew Delhi,
_bCBS Publisher,
_cc2010.
300 _axv, 388p. ;
_bill. ;
_c24 cm.
942 _2ddc
_cIT
999 _c1188
_d1188