00354nam a22001337a 4500 9780070611948 22 005.43 Dhamdhere, D. M. Operating systems : a concept- based approach / 2 nd. New Delhi, Mc Grew Hill, c2009. xviii,789 p. ; ill. ; 24 cm. ddc IT 3 1660 1660 0 0 ddc 0 1 REF LIB001 LIB001 2014-06-27 322.00 0 005.43 33854 2014-06-27 00:00:00 1 694.00 2014-06-27 REF 0 0 ddc 0 0 NFIC LIB001 LIB001 2014-06-27 322.00 3 9 005.43 33855 2020-03-19 00:00:00 2020-02-12 1 694.00 2014-06-27 IT 0 0 ddc 0 0 NFIC LIB001 LIB001 2014-06-27 322.00 4 12 005.43 33856 2020-03-19 00:00:00 2020-02-12 1 694.00 2014-06-27 IT