000			00532nam a2200193 u 4500
001			000828063
005			20240715054922.0
008			110824s1992 |||| |||||||||| | eng c
020			_a0078320348
041	0		_aeng
100	1		_aSchmitz, Ruth.
245	1	0	_aPractical DOS! / _cRuth Schmitz.
250			_a2nd ed.
260			_aNew York : _bMitchell McGraw-Hill, _c1992.
300			_axvi, 352 p. : _bill. ; _c24 cm.
500			_aIncludes index.
650		0	_aOperating systems (Computers)
999			_c87150 _d87150