000 00320nam a2200133Ia 4500
082 _a005
_bIGN
100 _aIGNOU
245 _aIntroduction to software fundamentals of operating system- 2 (CS-02)
250 _aIst
260 _aNew Delhi
_bI.G.N.O.U
_c2
300 _a84p
650 _aComputer Science
044 _aIndia
999 _c5998
_d5998