000			00500nam a2200193Ia 4500
005			20210602070314.0
008			140515s9999||||xx |||||||||||||| ||und||
020			_a9788178080352
040			_aUPES LIBRARY _bEnglish
082			_a005.43 _bDEI
100			_aDeitel, Harvey M _911517
245			_aAn introduction to operating systems
250			_a2
260			_aNew Delhi: _bPearson Education, _c2001
300			_a853p.
650			_aComputer science
653			_aOperating system
942			_cBK
999			_c492 _d492