[vox-tech] console question

[Ken Bloom]

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man 4 console

> A  Linux  system  has up to 63 virtual consoles (character devices
with
> major number 4 and minor number 1 to 63), usually called /dev/ttyn
with
> 1 <=3D n <=3D 63.  The current console is also addressed by /dev/console
or
> /dev/tty0, the character device with major number 4 and minor number
0.

Another interesting fact:
man 4 tty

> The  file  /dev/tty  is  a character file with major number 5 and
minor
> number 0, usually of mode 0666 and owner.group root.tty.  It is a=20
syn-
> onym for the controlling terminal of a process, if any.

It seems to me that /dev/console refers to whatever VT is currently on
your screen (if you are in X, then it would seem to refer to the black
background that you get when you kill the X-server). /dev/tty can
refer to x-terms too.


On 2003.07.29 10:25, Peter Jay Salzman wrote:
> does anybody know what the precise difference is between
>=20
>    /dev/console (5, 1)
>=20
> and
>=20
>    /dev/ttyX (4, X)
>=20
> i've seen a bunch of things on google about this which i just don't
> believe.
>=20
> char major numbers 4 and 5 are listed as both TTY devices (actually,
> major number 5 is an "alternate" TTY device).
>=20
> anybody know what the difference is between the "system console" and
> "virtual console"?
>=20
> i was thinking of adding the line:
>=20
>    10:12345:respawn:/sbin/getty 38400 console
>=20
> and rerunning init, just to see what would happen, but i'm running an
> important job on lucifer and don't want to experiment on=20
> satan...   ;)
>=20
> thanks,
> pete
>=20
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>=20
>=20

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