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Format of DOS directory entry

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Offset

Size

Description

00h

8 BYTEs

blank-padded filename

08h

3 BYTEs

first character is set to E5h for deleted files (05h for pending delete files under Novell DOS / OpenDOS)

0Bh

BYTE

blank-padded file extension

0Ch

10 BYTEs

attributes

(MS-DOS 1.0-6.22)	reserved
(DR DOS)	used to store file password / owner (see #01354) (see also INT 21/AX=4302h)
(Novell DOS 7)	DELWATCH data (see #01354)
(MS-DOS 7/Windows95)	additional file times (see #01353)

16h

WORD

time of creation or last update (see #01665 at AX=5700h)

18h

WORD

date of creation or last update (see #01666 at AX=5700h)

1Ah

WORD

starting cluster number (see also AX=440Dh/CX=0871h) (may not be set in INT 21/AH=11h return data for FAT32 drives)

1Ch

DWORD

file size

See Also:

#01355,#02628,#02629