The date separator (QDATSEP) is used as the date separator for the default value of the DATSEP job attribute. QDATSEP is also used as the date separator you can specify on the initial program load (IPL) options prompt.
You can change the date separator to reflect the character used to separate days, months, and years for your country or location. You can change the date separator to any one of the following values:
If you change this value, the change takes effect for new jobs that enter the system after you make the change.