mud++0.35/etc/
mud++0.35/etc/guilds/
mud++0.35/help/propert/
mud++0.35/mudC/
mud++0.35/player/
mud++0.35/src/interface/
mud++0.35/src/os/cygwin32/
mud++0.35/src/os/win32/
mud++0.35/src/os/win32/bcppbuilder/
mud++0.35/src/osaddon/
mud++0.35/src/util/ 
Syntax: probackup [filename]
        prorestore [filename]

Probackup copies default properties file to given name, or default backup if
omitted.
Prorestore copies given file, or default backup if omitted, to default 
properties file.

Note that neither of them acctually loads or saves properties - this commands
are only limited 'cp' instruction. You have to use proload or prosave.

See: properties, proload, prosave