Microsoft KB Archive/21549

DOS Calls for Open, Read, Write, Close File

PSS ID Number: Q21549 Article last modified on 11-02-1994

1.x 2.x 3.x

MS-DOS

= SUMMARY =

For Word Versions 1.x, 2.x, and 3.x, the DOS function 3CH creates a file, 3DH opens a file, 3EH closes a file, 3FH reads a file, and 40H writes to a file. These are all DOS Version 2.0 and above function calls, issued through INT21H.

KBCategory: kbother KBSubcategory: Additional reference words:

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