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On 1/24/2013 11:36 AM, nancy wrote:

A spool fine do a line feed to a channel that did not have a hold in it?
I was once a mainframe operator, but I really do not know what that
means.

They're talking about a printer carriage control tape.
http://en.wikipedia.org/wiki/Carriage_control_tape Many years ago, RPG
programs did not tell the printer to skip to line NNN, the program said
to skip to channel NNN. That channel number was punched on the carriage
control tape which was then mounted on the printer along with the proper
paper. You'd make one control tape for say payroll checks and another
for say, 8-12 x 11 inch paper.

This has not been used for 30 years, so it's not surprising that you
don't know what it refers to.
--buck

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