| From: | Paul Hill |
| Date: | 29 Sep 2001 at 15:31:11 |
| Subject: | Re: [amigactive] Amiga DOS versions? |
On 28-Sep-01 21:21:00, John Marchant wrote:
>While browsing in my "info" list of devices and partitions, I
>noticed for the first time that one partition uses a different DOS
>version from all the others. e.g.
> Unit Type Size Used Free Max-File Full Errs Stat Name
> DH0: DOS1 252M 38M 214M 222,002,176 15% 0 R/W Work1
> DH1: DOS3 100M 27K 100M 104,342,016 0% 0 R/W Work2
> DH2: DOS1 127M 73M 53M 55,561,728 57% 0 R/W Work3
>[SNIP]
>Can someone tell me what is the difference between DOS1 and DOS3,
>and - maybe - how this difference might have ocurred ?
>From the C include file dos/dos.h:
#define ID_NO_DISK_PRESENT (-1)
#define ID_UNREADABLE_DISK (0x42414400L) /* 'BAD\0' */
#define ID_DOS_DISK (0x444F5300L) /* 'DOS\0' */
#define ID_FFS_DISK (0x444F5301L) /* 'DOS\1' */
#define ID_INTER_DOS_DISK (0x444F5302L) /* 'DOS\2' */
#define ID_INTER_FFS_DISK (0x444F5303L) /* 'DOS\3' */
#define ID_FASTDIR_DOS_DISK (0x444F5304L) /* 'DOS\4' */
#define ID_FASTDIR_FFS_DISK (0x444F5305L) /* 'DOS\5' */
#define ID_NOT_REALLY_DOS (0x4E444F53L) /* 'NDOS' */
#define ID_KICKSTART_DISK (0x4B49434BL) /* 'KICK' */
#define ID_MSDOS_DISK (0x4d534400L) /* 'MSD\0' */
So DOS3 is FFS international. I think the only difference between DOS1 &
DOS3 is that the international version sorts files differently (but I could
be wrong).
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