00463nam a22001457a 4500003003500000005001700035008004100052040003900093082001900132245004800151250001200199260005200211300002200263650003200285Central Library, Khulna University20260201104722.0250915b        |||||||| |||| 00| 0 eng d  cCentral Library, Khulna University  a005.432b SCO   aSCO UNIX Operating System :bTutorial  /c.  a1st ed.  aCalifornia :bThe Santa Curz operation ,c1992.  a514 p. : c24 cm.  aOperating systems — UNIX