000			00400nam a2200181Ia 4500
008			200428s9999||||xx |||||||||||||| ||und||
020			_c250
040			_aMAIN
041			_aEnglish
082			_a005.43 _bSTA
100			_aStallings, William
245			_aOperating systems
250			_a2nd ed.
260			_bPrentice Hall,India _c1998
300			_a701p.
650			_aCOMPUTER
942			_cGB
999			_c1593 _d1593