END Subcommand of DISPLAY

This subcommand ends the DISPLAY subcommand.

You can continue to examine or update the block under the READ subcommand.

Syntax of the END subcommand of DISPLAY (READ UPDATE)
`END SAVE NOSAVE`

SAVE: tells RACF® to update the new index block to reflect the changes made under the DISPLAY subcommand. Specifying SAVE means that you want the new index block to replace the old one.
NOSAVE: tells RACF to ignore all the changes you made under the DISPLAY subcommand with the UPDATE keyword specified on the READ subcommand.
If you did not specify UPDATE on the READ command, then the NOSAVE option is forced.