vacuumlo --version (return code: 0)
vacuumlo (PostgreSQL) 9.5.6
vacuumlo --help (return code: 0)
vacuumlo removes unreferenced large objects from databases.
Usage:
vacuumlo [OPTION]... DBNAME...
Options:
-l LIMIT commit after removing each LIMIT large objects
-n don't remove large objects, just show what would be done
-v write a lot of progress messages
-V, --version output version information, then exit
-?, --help show this help, then exit
Connection options:
-h HOSTNAME database server host or socket directory
-p PORT database server port
-U USERNAME user name to connect as
-w never prompt for password
-W force password prompt
Report bugs to <pgsql-bugs@postgresql.org>.