Comment 72 for bug 349469

visor1933@ubuntu:~$ sudo fuser /var/cache/debconf/config.dat
[sudo] password for visor1933:
/var/cache/debconf/config.dat: 15070
visor1933@ubuntu:~$ pstree -alps 15070
init,1
  └─aptd,14317 /usr/sbin/aptd
      └─aptd,15067 /usr/sbin/aptd
          └─sh,15069 -c /usr/sbin/dpkg-preconfigure --apt || true
              └─dpkg-preconfigu,15070 -w /usr/sbin/dpkg-preconfigure --apt
                  └─(dpkg-preconfigu,15072)