Table Of Contents - IBM 1130 User Manual

Section 80: USE OF THE DISK FOR DATA STORAGE
CONTENTS
General. . . . . . . . . . . . . . . . . . . . . • . • . . . . .. 80.01.00
The Physical, or Hardware, Structure
of the Disk ... ~. ..... .. ...... ....... .. 80.10.00
The Disk as Seen by the FORTRAN
Programmer . . . . . . . . . . . . . . . . . . . ... . . .. 80. 20. 00
The Interrelationship of the Physical
and Logical Structures ................ 80.30.00
The DEFINE FILE Statement. . .... .. 80.30.10
The *STOREDATA and *FILES Cards.. 80.30.20
Section Subsections Page
80 00
I
00 01
Record Lengths and Sector Utilization.. 80.40.00
A Trick to Get Long Records
and/or Better Packing ............. 80.40.10
Computing Record Length. . . . . . . . . . . . . 80.50.00
Shortening Record Length . . . . . . . . . . . .. 80. 60. 00
Some Examples of Disk File Setup ..... 80.70.00
Example 1 ....................... 80.70.10
Example 2 ....................... 80.70.20
Example 3 ....................... 80.70.30