TSO batch and z/OS batch job requirements

When IDF is started as a TSO batch or z/OS batch job, it needs a terminal (defined by its VTAM logical unit (LU) name) to run. The terminal is specified through the LUNAME option. The LUNAME is the name used by VTAM to define the LU to the network, and is used by IDF to address the terminal.

IDF uses VTAM application IDs that are defined according to the convention:

The first five characters must be ASMTL
The last three characters must be consecutive 3-digit numbers, starting at 001

There must be at least as many VTAM application IDs defined as there are concurrent IDF sessions. For example, if five IDF sessions are required at the same time, then there must be the following (at least) five VTAM application IDs defined: ASMTL001 ASMTL002 ASMTL003 ASMTL004 ASMTL005.