usage: vgd  [-p <port>] [-P <on/off>] [-D <on/off>] [-d <display>]
            [-s <sort style>] [-r <dir order>] [-z <font size modifier>]
            [-b <on/off>] [-j <on/off>] [--<colour> <colour string>]

-p, --port                     Listen on this port.      [16108]
-D, --daemon                   Run as a daemon.          [on]
-P, --persistent               Hang around.              [off]

-d, --display                  Display program.          [vgmini]
-s, --sort-style               Windows or ls.            [ls]
-r, --dir-order                Directory list ordering.  [ascending]
-b, --file-icons               File type icons.          [on]
-j, --jump-resize              Automatic move/resize.    [on]

-z, --font-size-modifier       Increase/decrease display font size.

--black, --red, --green        LS_COLORS terminal colour interpretations.
--yellow, --blue, --magenta    These can be names or hex representations
--magenta --cyan, --white      such as "#RRGGBB".

-H, --help                     Display this usage.
-V, --version                  Print the version.
