> Does anyone else agree with me that direct int 10 access is a mistake?

Yes

> Wouldn't access through a device driver be a bit more unixy?  It would
> be able to prevent multiple processes from trying to access int 10 services.

You need to fix and recover context, you need to worry about 286 protected
mode etc. The driver in the kernel may well use int10 tho 8)

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