BS 6831:1987

National foreword
Committees responsible
0. Introduction
1. Scope and field of application
2. Definition
Section one. Multiprogramming and real-time features
3. Introduction
4. Date and time information
5. General aspects of tasking
6. Procedure references
Section two. Binary pattern and bit processing
7. Introduction
8. Binary pattern processing
9. Bit processing
Section three. Process input/output
10. Introduction
11. Scope of the process I/O and general structure
    of I/O routines
12. Input/output of analog values
13. Input/output of digital values
Section four. File handling
14. Introduction
15. Background information
16. File system environment
17. Procedures to control file access
Annexes
A. Historical background
B. Further descriptions pertaining to individual
    clauses
C. Abortion of tasks
D. File handling
Bibliography

Describes a task model and a set of related routines to allow control of multi-task systems using FORTRAN.