Linux commandline tips 4

ps ax -o state -o ppid | awk '$1=="Z"{print $2}' | xargs kill -9 # Kill all #zombies on the system.

ps aux |tail -n+2 |sort -nrk4 |head -$(($(tput lines)-1)) |cut -c 1-$(tput cols) # Display top RAM using processes.

ethtool -p eth0 # Blink eth0's LED so you can find it in the rat's next of server cables. Ctrl-C to stop.

find . -xdev -ls | sort -n -k 7 | tail -5 # Quickly find the largest 5 files in the CWD tree without crossing filesystem boundaries.