753 System Details Access to Computer Files

Codes

First and Second indicators:

# Undefined

Subfields:

a Make and model of machine (NR)

b Programming language (NR) [Not used]

c Operating system (NR)

0 Authority record control number or standard number (R)

2 Source of term (NR)

6 Linkage (NR)

8 Field link and sequence number (R)

NOTE: See MARC 21 Format for Bibliographic Data (753 System Details Access to Computer Files) for code definitions not given below.

Description/Instructions

Field 753 is used to access records via the type of computer and/or operating system used with a computer file serial and its accompanying material. This kind of added entry is also assigned to facilitate the capability of selecting and arranging records for production of printed indexes.

Editing instructions

Do not input a period at the end of the field unless the field ends with data that ends with a mark of punctuation.

Subfields

$a Make and model of machine.

Input in subfield $a the make and model of the hardware on which the computer file is operated.

753 ## Apple II

$c Operating system.

Input the name of the operating system in subfield $c.

753 ## IBM PC $c DOS

753 ## Macintosh II $c System 6.0.7 or higher

$6 Linkage.

For instructions on the use of subfield $6, see field 880.

Related fields, etc.

538

753 System Details Access to Computer Files (MARC 21 Format for Bibliographic Data)