Simulate 2000 supports simulation of multiple clocks on one machine. Specifying alternate dates is fast and easy: through an ISPF interface, directly within JCL or through online screens in CICS or IMS/DC.

Online users can control dates by Region, Terminal, User or Transaction. Batch programs are controlled by Job Name, Step Name, Program Name, Job Class, User ID, etc. Alternate dates can be specified for either the job or individual steps.