To configure limits parameters, click the Limits tab. The Limits tab is shown in the following figure.
You can specify the following parameters:
Hard Limit and Soft Limit. The hard limit and the soft limit to impose on the jobs that are running in the queue.
To change a value of a limit, click the button at the right of the field whose value you want to change. A dialog box appears where you can type either Memory or Time limit values.
See the queue_conf(5) and the setrlimit(2) man pages for detailed information about limit parameters and their interpretation for different operating system architectures.