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Main File Menu
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PF keys:
PF1 Accesses full-screen help.
PF2 Accesses the Background Monitor specification screen. This screen controls
background monitoring, and specifies actions taken when the monitor notices
file-full-pending conditions.
PF3 Return to command level or the UL/SPF main menu.
PF4 Accesses a scrollable list that displays the table-full status of files currently
open by any user or subsystem.
PF6 Accesses a screen of messages posted to the file. The only messages posted