ctl_backups(8) on Linux
The text d17fa21f762f, as Debian 11 (Bullseye) shipped it.
Cyrus IMAP documentation Perform administrative operations directly on Cyrus backups.
Flags it lists
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-C -
-F -
-S -
-V -
-c -
-j -
-p -
-s -
-t -
-v -
-w -
-x