2K 4K A-U bpi catid CPU DMS DRV DSSM I/O EOF EOT EOV FBA FBD... FDDRL HDR HPS HSMS IMON INIT INOP K MAREN MIP MN MRSCAT MT MTC NDM NK NK2 NK4 OLSC PBT PERCON PTAM PPAM SCSI SDF SF pubset SHC-OSD SM pubset SRV SVC SVL TLS TM TPR TSN TSOS TU UHL UTL VAV VOL VOLIN VSN VTOC XHCS | 2 Kilobyte = 2,048 Byte 4 Kilobyte = 4,096 Byte Allocation Unit bits per inch Catalog Identifier Central Processing Unit Data Management System Dual Recording by Volume (subsystem) Dynamic Subsystem Management Input/output End of File Label End of Tape End of Volume Label Fixed Block Architecture Fast Backup of Disk (FDDRL message class ID) Fast Disk Dump and Reload File Header Label Half Pages, 2-KB units of the disk Hierarchical Storage Management System (utility) Installation Monitor Utility Routine for tape initialization Inoperable (device status) Key (disk format) Utility Routine for tape processing Message Improvement Processing (system component) Mnemotechnical device name MRS Catalog Magnetic Tape Magnetic Tape Cartridge Nucleus Device Management None-Key (disk format) None-Key 2K (disk format) None-Key 4K (disk format) Online Save Control Physical Half Pages per Track Utility Routine for data conversion Privileged Tape Access Method Privileged Primary Access Method Small Computer System Interface System Dialog Facility Single-Feature pubset (pubset type) Storage Host Component (subsystem) System-Managed pubset (pubset type) Single Recording by Volume Supervisor Call Standard Volume Label Tape Library System Tapemark Task Privileged (privileged system status) Task Sequence Number Privileged user ID or privilege Task Unprivileged User File Header Label User Trailer Label Enhanced recording method (for tape cartridges) - German abbreviation Volume Header Label Utility Routine for formatting disks Volume Serial Number Volume Table of Contents Extended Host Code Support |