000			00518nam a2200241Ia 4500
001			661
005			20250217153811.0
008			250214s9999||||xx |||||||||||||| ||und||
020			_a8123901283
100			_aLien, David A
245		0	_aMS-DOS : the basic course
245		0	_bincludes DOS 4.0
260			_aDelhi
260			_bCBS
260			_c1992
300			_a155p.
500			_aIncludes index.
650			_aDOS
650			_aDOS 4.0
650			_aMS-DOS
650			_aOperating system
942			_cBK
999			_c630 _d630