000			00444 a2200181 4500
020			_a8131501760
082			_a005.43 _bFLY
090			_c14641 _d21779
100			_aFlynn, Ida M.
245			_aUnderstanding operating systems
250			_a4th.
260			_aDelhi _bThomson Learning _c2007 _g2007
300			_axvii, 555p. _c24cm.
650			_aCOMPUTER SCIENCE
650			_aSYSTEMS PROGRAMS
700			_aMcHoes, Ann Mclver
942			_cL
999			_c42812 _d42812