NBSpool for MPE Reference Guide

NBSpool Output Commands
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Since the file
$STDLIST
is not unique, NBSpool displays all qualifying files and asks the user to
resolve the ambiguity:
Enter SEQ or DFID number of desired file: 4
Opened spool file #O3434 ($STDLIST), last line is 40.
WARNING: SPOOL FILE IS OPEN
To close a spool file that was previously opened, issue the
TEXT
command without any parameters:
O> TEXT
Closed spool file #O3434