Thanks for everybody's answers... :)
R.

2008/6/20 Pietro Gagliardi <pietro10@mac.com>:

> On Jun 20, 2008, at 10:03 AM, Rudolf Sykora wrote:
>
>  Hello,
>>
>> is there any simple way how to identify processes belonging to one
>> concrete process group?
>>
>
> They're called "note groups" and the noteid file of each process has the
> number. So if you call 6 lines of rc and 5 lines of awk simple, then yes!
>
> {
>        for(i in /proc/*)
>                if(! ~ $i /proc/trace)
>                        echo `{cat $i/noteid}:`{basename $i}
> } | sort -t: -n | awk '
> # based on squash by jon bentley from programming pearls 1st edition
> BEGIN { FS = ":" }
> $1 != prev { prev = $1; if(NR > 1) printf "\n"; printf "%d: ", $1 }
> { printf "%d ", $2 }
> END { printf "\n" }
> '
>
>  Is there anything like pstree in plan9?
>>
> Work with the code I gave you and /sys/src/cmd/ps.c.
>
> Pietro
>
>
>