/dev/pts numbering

Kevin P. Fleming kpfleming at linuxfromscratch.org
Tue Jun 1 11:05:18 PDT 2004

Durk van Veen wrote:

> However, on the third box which is a server (no X, runlevel 3, not sure that
> that's relevant) the pts node number seems to always increase. I'm not sure
> what happens between reboots, but this box has been up for a little over a
> month and I'm now on /dev/pts/34. This is the only file in /dev/pts as I'm
> the only user logged in.

If this machine is running a 2.6 kernel, this is expected behavior. The 
2.6 kernel now makes no particular effort to supply pts numbers in any 
organized manner, it just uses an available number that it can find 
quickly, and its search algorithm is no longer linear.

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