Abkürzungen
| Abkürzung | Bedeutung |
|---|---|
| RACF | Resource Access Control Facility |
| JCL | Job Control Language |
| PDSE | Partitioned Dataset Extended |
| ISPF | Interactive System Productivity Facility |
| POSIX | Portable Operating System Interface |
| USS | Unix System Services |
| ICSF | Integrated Cryptographic Service Facility |
| SAF | System Authorization Facility |
| CICS | Customer Information Control System |
| TSO | Time Sharing Option |
| IPL | Initial Program load |
| SMS | Storage Management Services |
| IMS | Information Management System |
| JES | Job Entry Subsystem |
| DD | Data Definition |