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Date:      01 Mar 2002 20:31:49 +1130
From:      "Daniel O'Connor" <doconnor@gsoft.com.au>
To:        Paul Halliday <dp@penix.org>
Cc:        Patrick Thomas <root@utility.clubscholarship.com>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: how do I see the current number of PTYs in use ?
Message-ID:  <1014973312.18005.22.camel@chowder.gsoft.com.au>
In-Reply-To: <Pine.LNX.4.33.0203010213080.12404-100000@saruman.xwin.net>
References:  <Pine.LNX.4.33.0203010213080.12404-100000@saruman.xwin.net>

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On Fri, 2002-03-01 at 19:51, Paul Halliday wrote:
> On Thu, 28 Feb 2002, Patrick Thomas wrote:
> 
> >
> > (asked on -questions and got no response, also did a `sysctl -a | grep
> > pty` and only saw error messages)
> >
> > I am trying to troubleshoot something - the bad thing that is happening is
> > that I try to create new `screen` windows and I get 'No more PTYs'.  I
> > know how to add more PTYs, etc., and I am not asking how to do that - I am
> > simply asking:
> >
> > How do I, when I am told I have no more PTYs, know whether I just hit 32
> > out of 32, or 128 out of 128, or what ?  I want to know how many PTYs I
> > have available, and how many are in use.
> >
> > How do I do that ?
> 
> ls /dev | grep pty | wc -l
> who | awk '{print $2}' | grep p | wc -l
> 
> ;P

This ->
fstat | awk '{print $8}' | egrep 'tty[pqrsPQRS]' | wc -l

Is much more accurate.
(ie on my machine who only shows 4 entries :)

---
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum


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