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SETUNDO—Set the UNDO Mode z/OS ISPF Edit and Edit Macros SC19-3621-00 |
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The SETUNDO primary command determines whether the UNDO command is available and how the history of changes should be managed. Note: The SETUNDO
command is ignored if UNDO from storage is not enabled by the installer
or person who maintains the ISPF product. For information on enabling
UNDO from storage, see z/OS ISPF Planning and Customizing.
Syntax.-STORAGE-. >>-+-SETUNDO-+--+---------+------------------------------------>< '-SETU----' +-KEEP----+ +-RECOVER-+ +-ON------+ '-OFF-----'
DescriptionSETUNDO allows you to specify how changes you make during your edit session are to be recorded and used by the UNDO command. UNDO can be run when either SETUNDO or RECOVERY is on. Changes can be recorded in storage, in the recovery file, or in both places. Saving the changes in storage only is the fastest method. To enable recording in storage:
The value of ON is accepted to complement the OFF state. To use the recovery file:
If RECOVERY is off, it is turned on by this command. To turn off recording and disable the UNDO
command, enter:
Note: If recovery
is on, setting SETUNDO OFF is the same as specifying SETUNDO REC,
and the recovery file is used for UNDO.
ExamplesThe edit profile shown in Figure 1 shows SETUNDO set to STORAGE and RECOVERY OFF. Figure 1. SETUNDO STORAGE and
RECOVERY OFF
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Copyright IBM Corporation 1990, 2014
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