Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
file format
|
| gptkbp:category |
mainframe storage technology
|
| gptkbp:enables |
variable-length records
|
| https://www.w3.org/2000/01/rdf-schema#label |
CKD (Count Key Data) format
|
| gptkbp:introduced |
gptkb:IBM
|
| gptkbp:introducedIn |
1964
|
| gptkbp:replacedBy |
gptkb:FBA_(Fixed_Block_Architecture)_format
|
| gptkbp:structure |
data field
count field key field |
| gptkbp:supports |
record-oriented access
|
| gptkbp:usedBy |
gptkb:IBM_mainframe_computers
|
| gptkbp:usedFor |
gptkb:IBM_2311_disk_drive
gptkb:IBM_3350_disk_drive gptkb:IBM_3380_disk_drive gptkb:IBM_3390_disk_drive disk storage IBM 3330 disk drive direct access storage devices (DASD) |
| gptkbp:usedIn |
gptkb:IBM_z/OS
gptkb:IBM_System/360 gptkb:IBM_System/370 |
| gptkbp:bfsParent |
gptkb:DASD_(Direct_Access_Storage_Device)
|
| gptkbp:bfsLayer |
7
|