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File No 1401/1460-30
Fornl C24-3298-0
Systems Reference Library
Input/Output Control System (on Disk)
Operating Procedures
IBM 1401 and 1460
Program 1401-10-068 (Version 2)
This reference publication describes the operating procedures for
the IBM 1401 and 1460 IOCS (on disk) program, designed for a 1401
sy.stem that includes an IBM 1311 Disk Storage Drive, or a 1460
system that includes an IBM 1301 or 1311 Disk Storage Drive. Use
this publication in conjunction with the IBM Systems Reference
Library publication Input/Output Control System (on Disk) for
IBM 1401/1460: Specifications; Form C24-1489.
Three main sections are included in this publication: com-
bining IOCS routines with the IBM 1401, 1440, and 1460 Autocoder
system; assembling an object program; and running an object pro-
gram. Because IOCS is actually a set of Autocoder library routines,
this publication covers only those functions that are unique to IOCS.
The reader should be familiar with the operating procedures des-
cribed in the IBM Systems Reference Library publication Autocoder
19n Disk) Program Specifications and Operating Procedures:
IBM 1401, 1440, and 1460; Form C24-3259.
For other publications and abstracts, see the IBM bibliography
for the associated data processing system.
Copies of this and other IBM publications can be obtained through IBM Branch Offices.
Address comments concerning the content of this publication to IBM Product Publications, Endicott, New York 13764.
CONTENTS
INTRODUCTION