Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

                                             ◄Up► ◄Contents► ◄Index► ◄Back►
──────────────────────────────────────────────────────────────────────────────
 
     Interrupt 21h──File Operation Functions
 
     Function     Name
 
     3Ch          Create File
     3Dh          Open File
     3Eh          Close File
     41h          Delete File
     43h          Get or Set File Attributes
     45h          Duplicate Handle
     46h          Redirect Handle
     4Eh          Find First File
     4Fh          Find Next File
     56h          Rename File
     57h          Get or Set File Date and Time
     5Ah          Create Temporary File
     5Bh          Create New File
     67h          Set Handle Count (sets maximum number of files)
     6Ch          Extended Open File (opens, creates, or replaces file)
                                    -♦-