cwr@pnet01.cts.com (Will Rose) (08/24/90)
If you want to stop DOS interfering with non-DOS partitions, then label
them with a non-DOS ID Number - old Minix uses 0x80, and Minix 1.5.10 uses
0x81. (The 'old' Minix had a problem with partitions with an odd number of
cylinders (?sectors)).
If you want Minix to leave a disk partition alone, then either don't
mount it, or make root the owner of the device and give it no permissions.
Then you have to make a real effort to foul things up.
There's no reason that I can think of to use /dev/hd0 (as soon as I sign
off, one will come to me...). On a 40Mb drive I use a 20Mb hd1 for DOS,
a 1Mb hd2 for /tmp, a 1Mb hd3 for the root filesystem boot image, (waste
of space, this will change), and an 18Mb hd4 for /usr. I keep the root
filesystem in RAM with the smallest practical ramdisk (150K total), in the
hope of putting on an EMS card in due course. DOS sees only one partition,
the first, which was made with DOS fdisk. The other partitions were added
with the Minix fdisk, or by patching with dd.
Hope this helps - Will
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