And then we have startx, which starts both an X server and the X client specified: startx /path/to/client --with --client-options and arguments -- --server-o

And then we have startx, which starts both an X server and the X client specified: startx /path/to/client --with --client-options and arguments -- --server-options -go --here Here, the double dash is used to separate the client options from the server options (the path to the server binary is compiled-in, IIRC).