The VSCORE option allows you to set the maximum amount of virtual storage below the 16-megabyte line that MFX can use for its working set.
The VSCORE limit cannot be overridden by the execution time parameter CORE. However, it can be overridden by the execution time parameter VSCORE.
Use nnnnnnnn to give the storage limit in bytes, nK to give the storage limit (n) in kilobytes, and nM to give the storage limit (n) in megabytes. The delivered default is 1M.