Re: devpts filesystem..

[John Haxby <jch@xxxxxxxxxxxxxxx>]

Ow Mun Heng wrote:

> > The Unix98 specification changes over from tty's to pts's.  
> > When you log 
> > into the box via telnet or ssh, do a "w" or "who" and you'll see that 
> > you're logged into pts/0, pts/1, etc.  If you do an "ls 
> > /dev/pts" at that 
> > point, you'll see "0" or "1", etc.
> >    
>
> In That case, I would think that's it's not really detrimental 
> to leave it out of the system right? Or should I recompile my
> system?
>
> In what circumstance would this dev/pts filesystem be useful for??
>  

You're not using X either then are you?   Terminal emulators use 
/dev/pts.   Any sort of remote access to the machine uses /dev/pts.  
expect and ppp, among other programs, use /dev/pts.   It's rather silly 
to try to do without it -- while you're probably seeing things like 
"/dev/ptya1" instead (I'm guessing, I've never tried it), you're not 
doing yourself any favours at all -- your not benefiting from better 
security, smaller or faster kernel or anything like that.  Quite 
possibly the other way around in fact.    Take a look at the section on 
pseudo terminals in Documentation/devices.txt.

jch




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