# ps axfu
USER       PID %CPU %MEM   VSZ  RSS TTY      STAT START   TIME COMMAND
[...]
root     11773  0.0  5.3 16992 10156 ?       Ss   10:21   0:00 /usr/bin/python2.4 -OO /usr/share/univention-admin-tools/univention-cli-server
root     11776  0.0  0.0     0    0 ?        Z    10:21   0:00  \_ [univention-cli-] <defunct>
root     11780  0.0  0.0     0    0 ?        Z    10:21   0:00  \_ [univention-cli-] <defunct>
root     11784  0.0  0.0     0    0 ?        Z    10:21   0:00  \_ [univention-cli-] <defunct>
root     11786  0.0  0.0     0    0 ?        Z    10:21   0:00  \_ [univention-cli-] <defunct>
[...]