| Byte | Description |
|---|---|
| 00 | Filename status: 00 = Filename never used 05 = First character of filename is E5 E5 = File has been erased 2E = This is a subdirectory entry |
| 00-07 | Filename, left justified |
| 08-0A | Filename extension, left justified |
| 0B | File's attribute:
|7|6|5|4|3|2|1|0| byte 0B | | | | | | | +--- read only | | | | | | +---- hidden | | | | | +----- system | | | | +------ volume label | | | +------- subdirectory | | +-------- archive +-+--------- unused |
| 0C-15 | Reserved by DOS |
| 16-17 | Time the file was created or last updated:
|F|E|D|C|B|A|9|8|7|6|5|4|3|2|1|0| 17,16 | | | | | | | | | | | +-+-+-+-+- seconds/2 | | | | | +-+-+-+-+-+---------- minutes +-+-+-+-+--------------------- hours |
| 18-19 | Date the file was created or last updated:
|F|E|D|C|B|A|9|8|7|6|5|4|3|2|1|0| 19,18 | | | | | | | | | | | +-+-+-+-+- day 1-31 | | | | | | | +-+-+-+---------- month 1-12 +-+-+-+-+-+-+----------------- year + 1980 |
| 1A-1B | Starting cluster number of the first file cluster |
| 1C-1F | File size in bytes (low order first) |