plpftp(1) on Linux
The text b53ab5be07b8, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
FTP-like program for manipulating files on the Psion.
Flags it lists
-
--help -
--port -
--version -
-V -
-h -
-p