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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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 Specifies the type of access users have to an opened file.
 
    ACCESS {READ | WRITE | READ WRITE}
 
    ■ READ          Opens a file for reading only:
 
                    OPEN filename$ FOR OUTPUT ACCESS READ AS filenum#
 
    ■ WRITE         Opens a file for writing only:
 
                    OPEN filename$ FOR OUTPUT ACCESS WRITE AS filenum#
 
    ■ READ WRITE    Opens a file for both reading and writing; valid only
                    for random-access and binary-mode files, and files opened
                    for APPEND (sequential access):
 
                    OPEN filename$ FOR APPEND ACCESS READ WRITE AS filenum#
 
 See Also
    ◄AS Clause (Different Uses)►       ◄OPEN Statement (File I/O)►