00898nam a2200253 i 450099100102312970753620020507105242.0951211s1970 uk ||| | eng 0444195890b10162823-39ule_instLE00640893ExLDip.to Fisicaita621.3.9.1Colin, Andrew J.T.462513Introduction to operating systems /A.J.T. ColinLondon :Macdonald ; New York : American Elsevier Inc.,1970120 p. ;22 cm.Computer monographs.b1016282317-02-1727-06-02991001023129707536LE006 621.3.9.1 COL12006000009423le006-E0.00-l- 00000.i1019725427-06-02Introduction to operating systems188733UNISALENTOle00601-01-95ma -enguk 01