pg_backup_ctl(1) on Linux
The text 5bdb7451a2b8, as Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
Utility to backup and recover a running PostgresSQL database server
Flags it lists
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-A -
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-L -
-M -
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-T -
-h -
-m -
-n -
-o -
-p -
-z