How does winrunner invoke on remote machine?

Steps to call WinRunner in remote machine:
1) Send a file to remote machine particular folder (this may contains your test parameters)
2) write a shell script listener & keep always running the remotehost (this script will watching the file in folder mentioned in step 1)
3) write a batch file to invoke the winrunner, test name & kept it in remote machine
4) call the batch file thru shell script whenever the file exist as mentioned in step1