To create a log file under UNIX, type:

To run the job in the background, append & to the end of the command line.

The notes in this section do not apply to Quantum on Windows since these facilities are not available on that platform.

Quantum normally runs interactively. With large jobs, this can lock up your terminal for a considerable time, so you might want to use facilities provided with your operating system to run your jobs in the background. This then frees up your terminal for other uses.

When you run jobs in the background, they still write messages to your screen unless you redirect them to a log file. Quantum provides for this on the systems which need it with the –l option. This writes any messages which would normally appear on your screen into a file called log instead. You use it on the quantum command in addition to any other options required for the job. For example, to run a complete job in the background under UNIX, you might type: