ls /var/run/
acpid.socket  dbus          inetd.pid        rpc.statd.pid
alsa          ddclient.pid  ipw3945d         sdp
apache2       dhcdbd.pid    klogd.pid        sudo
apache2.pid   exim4         motd             synaptic.socket
atd.pid       gdm.pid       network          syslogd.pid
avahi-daemon  hal           NetworkManager   system-tools-backends.pid
crond.pid     hotkey-setup  ntpd.pid         tor
crond.reboot  hplip         portmap_mapping  utmp
cups          identd        privoxy.pid