000			00346nam a2200157Ia 4500
008			200518s9999 xx 000 0 und d
020			_a9789352866717
082			_a 005.43 STA-O9
100			_a Stalling
245			_a Operating System
250			_a9
260			_b pearson
300			_a732
650			_a Operating system
942			_cBK
999			_c53244 _d53244