000			00359nam a2200145Ia 4500
008			230312s9999||||xx |||||||||||||| ||und||
020			_a1292153911
082			_a004.019 _bSHN-D
100			_aTomsho,Greg
245		0	_aGuide to Operating systems
260			_bPearson _aMalaysia _c2018
300			_a622
650			_aComputer _vComputer Systems
942			_cBK
999			_c16475 _d16475