ismvs
The ismvs property specifies whether the map is running in the z/OS batch environment (for example, when JCL is used). When running in this mode, this value is set to yes, so the map can do some special processing that is required. For all other operating systems, this is set to no.
Note: Be aware that comments, or those lines that start with #,
and blank lines are ignored. Also, property names and values are case-sensitive.