Usage: mssh [options]
    -r, --range RANGE                Requires a configured Range::Client. Use --hostlist if you do not use range
        --hostlist x,y,z             List of hostnames to execute on
    -f, --file FILE                  List of hostnames in a FILE use (/dev/stdin) for reading from stdin
    -m, --maxflight 50               How many subprocesses? 50 by default
    -t, --timeout 60                 How many seconds may each individual process take? 0 for no timeout
    -g, --global_timeout 600         How many seconds for the whole shebang 0 for no timeout
    -c, --collapse                   Collapse similar output 
    -v, --verbose                    verbose 
    -d, --debug                      Debug output