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My first computer run was with a deck of punch cards, about
a foot long, which went into the card reader on an IBM 370
H mainframe....which produced one hell of a big diagnostic
list for you to go through...if you got a clean compile, you
could then set down and figure out the JCL to make it run...
By the time I retired everyone had a terminal (not a PC) on their
desk, and hooked up to the mainframe.......
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