Hi debians

I am wondering why I often see things like this upon connecting to the
inet:

 2179 ?        S      0:00 sh /etc/ppp/ip-up.d/2firewall
 2181 ?        R      0:00 sh /etc/ppp/ip-up.d/2firewall

I mean, why are there two of those processes? The above script should
only be started once: the command run-parts does this from the ip-up
script upon having the PPP link up.
Similarly I see other double shells like the above. (exim or so)

TIA
Sven

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