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Bitfields for access and sharing modes

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Bit Description

2 - 0

access mode
000 = read only
001 = write only
010 = read/write
011 = (DOS 5+ internal) passed to redirector on EXEC to allow case-sensitive filenames

3

reserved (0)

6 - 4

sharing mode (DOS 3.0+) (see #01403)
000 = compatibility mode
001 = "DENYALL" prohibit both read and write access by others
010 = "DENYWRITE" prohibit write access by others
011 = "DENYREAD" prohibit read access by others
100 = "DENYNONE" allow full access by others
111 = network FCB (only available during server call)

7

inheritance
if set, file is private to current process and will not be inherited by child processes

See Also:

#01782,#01403