Re: ttyp's...
Neil Moore (amethyst@valjean.sfhs.floyd.k12.ky.us)
Wed, 18 Dec 1996 13:55:57 -0500
> > From: Neil Moore <amethyst@valjean.sfhs.floyd.k12.ky.us>
> > > crw------- 1 djc tty 4, 192 Dec 13 12:50 ttyp0
> > > crw------- 1 djc tty 4, 193 Dec 11 22:44 ttyp1
> > > crw------- 1 djc tty 4, 194 Dec 11 17:44 ttyp2
> > > crw------- 1 djc tty 4, 195 Dec 11 22:44 ttyp3
> > > crw------- 1 djc tty 4, 196 Dec 17 07:16 ttyp4
> > > crw--w---- 1 djc tty 4, 197 Dec 14 12:23 ttyp5
> > > crw------- 1 djc tty 4, 198 Dec 16 22:59 ttyp6
> > > crw-rw-rw- 1 root root 4, 199 Dec 16 22:59 ttyp7
> > > crw-rw-rw- 1 root root 4, 200 Dec 17 21:42 ttyp8
> > > crw-rw-rw- 1 root root 4, 201 Dec 17 14:17 ttyp9
> > > crw------- 1 djc tty 4, 202 Dec 15 13:36 ttypa
> > > crw-rw-rw- 1 root root 4, 203 Jul 17 1994 ttypb
> > > crw-rw-rw- 1 root root 4, 204 Jul 17 1994 ttypc
> > > crw-rw-rw- 1 root root 4, 205 Jul 17 1994 ttypd
> > > crw-rw-rw- 1 root root 4, 206 Jul 17 1994 ttype
> > These are the old ttyp* device numbers. This use is deprecated,
> > and may be removed in future kernels. Use major 3, minor n for
> > ttypn.
> Careful! On my system, major 3 is the first IDE interface:
> brw-rw---- 1 root disk 3, 0 Nov 28 01:32 /dev/hda
> brw-rw---- 1 root disk 3, 1 Nov 28 01:32 /dev/hda1
> brw-rw---- 1 root disk 3, 2 Nov 28 01:32 /dev/hda2
> brw-rw---- 1 root disk 3, 3 Nov 28 01:32 /dev/hda3
> brw-rw---- 1 root disk 3, 4 Nov 28 01:32 /dev/hda4
> brw-rw---- 1 root disk 3, 5 Nov 28 01:32 /dev/hda5
> brw-rw---- 1 root disk 3, 6 Nov 28 01:32 /dev/hda6
> brw-rw---- 1 root disk 3, 7 Nov 28 01:32 /dev/hda7
> brw-rw---- 1 root disk 3, 8 Nov 28 01:32 /dev/hda8
> brw-rw---- 1 root disk 3, 64 Nov 28 01:32 /dev/hdb
> brw-rw---- 1 root disk 3, 65 Nov 28 01:32 /dev/hdb1
> brw-rw---- 1 root disk 3, 66 Nov 28 01:32 /dev/hdb2
> brw-rw---- 1 root disk 3, 67 Nov 28 01:32 /dev/hdb3
> brw-rw---- 1 root disk 3, 68 Nov 28 01:32 /dev/hdb4
> brw-rw---- 1 root disk 3, 69 Nov 28 01:32 /dev/hdb5
> brw-rw---- 1 root disk 3, 70 Nov 28 01:32 /dev/hdb6
> brw-rw---- 1 root disk 3, 71 Nov 28 01:32 /dev/hdb7
> brw-rw---- 1 root disk 3, 72 Nov 28 01:32 /dev/hdb8
The IDE interface is a block device, while tty* are char devices.
These two operate in different major,minor number spaces (i.e.,
block dev 3,0 is *not* the same as char dev 3,0).
--
-Neil Moore http://www.sfhs.floyd.k12.ky.us/~amethyst
(finger amethyst@valjean.sfhs.floyd.k12.ky.us for my Geek Code)