IBM 1130 User Manual page 591

Master File
2
3
4
5
6
99
100
Man number
010
015
017
021
036
043
055
591
603
~
Record
Man
Number Number
010
2 015
3
017
4 021
5 036
6 043
7 055
8
99 591
100 603
Index, in man number
sequence (same as file)
To run payroll, etc., look
up employee in this index.
Birth date
/
Birth Record
date number
Index, in birth date sequence
To run birth date report,
print from this index
Figure 75.5. One file, but with a multiple index system
Section Subsections Page
75
20
I
10 02