Microsoft KB Archive/40366

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COBOL Version 3.0; Default Locking Levels if No LOCK Syntax

PSS ID Number: Q40366 Article last modified on 04-20-1993

3.00 3.00a | 3.00 3.00a MS-DOS | OS/2

The information in this article applies to:
- Microsoft COBOL for MS-DOS and OS/2, versions 3.0 and 3.0a

Summary: Microsoft COBOL Versions 3.0 and 3.0a programs may be ported directly from a stand-alone environment to a network environment without any modification. If LOCKing syntax is not coded into the program when it is run on a network, the default-locking modes are assumed.

More Information: The default-locking modes for COBOL Versions 3.0 and 3.0a are as follows: Files open for INPUT use AUTOMATIC record locking. All other open modes use EXCLUSIVE file locking. More information on networking can be found in this KnowledgeBase, in Chapter 12 of the “Microsoft COBOL 3.0: Operating Guide,” and in Chapter 5 of the “Microsoft COBOL 3.0: Language Reference Manual.”

Additional reference words: 3.00 3.00a Copyright Microsoft Corporation 1993.