This runs the job in a separate command window with 'Job #1' in the title bar to distinguish it from the spawning command window in which the batch file itself runs. Start 'Job #1' /low job5.exe -i input.dat
The /b switch causes the job to run in the current command window but with Low priority. A simple approach is to use the start command to launch each job with Low priority as follows:
It turns out there are several solutions to this problem.