Index of /pdf/ibm/360/operatingGuide
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   DIR /pdf/ibm/360
       A22-6908-0_360_50_Operating_Procedures_1966.pdf
       A24-3373-2_Model_30_Operating_Guide_Dec66.pdf
       C20-1635-2_Model_40_Operating_Techniques.pdf
       C28-6540-5_360_operGuide.pdf
       C28-6540-7_360_operGuide.pdf
       R20-1078-2_System_360_Operators_Reference_Guide_1968.pdf
       SR20-1078-3_System_360_370_Operators_Reference_Guide_197110.pdf
       SR20-1078-4_360operRef1971.pdf