| First Indicator | Second Indicator |
|---|---|
| Undefined # - Undefined |
Undefined # - Undefined |
| Subfield Codes | |
|---|---|
|
|
Characteristics of a computer file, such as the type of file (e.g., Computer programs), the number of records, statements, etc. (e.g., 1250 records, 5076 bytes).
$a - Computer file characteristics
May include the type of file and the number of records, etc. In records formulated according to ISBD principles, the number of records, statements, bytes, etc. is enclosed in parentheses.
| 256 | ##$aComputer data (2 files : 876,000, 775,000 records). | ||||||||
| 256 | ##$aComputer programs (2 files : 4300, 1250 bytes). | ||||||||
| 256 | ##$aComputer data (2 files : 800, 1250 records) and programs (3 files : 7260, 3490, 5076 bytes). | ||||||||
| 256 | ##$aData (1 file : 350 records). | ||||||||
$6 - Linkage
See description of this subfield in Appendix A: Control Subfields.
$7 - Data provenance
See description of this subfield in Appendix J: Data Provenance Subfields.
$8 - Field link and sequence number
See description of this subfield in Appendix A: Control Subfields.
Punctuation - Field 256 ends with a period.
Prior to the definition of this field in 1987, file characteristics were recorded in subfield $a of field 300 (Physical Description).