On z/OS, the following standard routing and description codes are used.
Routing Code | Use |
---|---|
1 | Action |
2 | Operator Information |
9 | Security |
11 | Programmer Information |
Descriptor Code | Use |
---|---|
2 | Action |
4 | System Status |
7 | Task Related |
Messages with descriptor code 2 are retained on operator consoles until TDP deletes them, unless the system's action message retention facility is disabled (using the system K M,AMRF=N command).