Programming in IBM System/370 Assembly Language. Readers: 14000 (0.2%) {58%} Mesgs per month/day: 166/6 {26%} Crossposting: 22% {64%} Megs per month/day: 0.2/0.007 {26%} Sites reciving this Group: 71% Cost ratio ($US/month/rdr): 0.01