-A Filter the display to show sessions that are authenticating.
-a Filter the display to hide sessions that are authenticating.
-b Batch mode. In this mode, ftptop will not accept input, and runs until the iterations limit
set via -n option, or until killed.
-D Filter the display to show sessions that are downloading.
-d Specify the delay, in seconds, between display refreshes. The default is 2 seconds. Only
values between 0 and 15 seconds are accepted.
-f Specify the full path to proftpd's run-time scoreboard file (configured via the
ScoreboardFile directive in proftpd.conf). If proftpd's default directory has been changed
via this directive, ftptop must either be recompiled or this option must be used in order to
find proftpd's scoreboard. -h Display a short usage description, including all available
options.
-I Filter the display to show sessions that are idle.
-i Filter the display to hide sessions that are idle.
-n Specify the number of interations that ftptop should produce before ending.
-S Specify the ServerName for a specific virtual host. If used, ftptop will only show sessions
for the given virtual host.
-U Filter the display to show sessions that are uploading.
-V Print out the version of ftptop and quit.
While ftptop is running, hit the 'q' key to quit. The 't' key toggles between display modes. Currently
there are two display modes: normal and transferspeed modes.