[ List of Some Useful Linux Commands ]

Hum hum , you need to list the 10 largest folders :

du -sh */* | sort -rh | head -10

You need to be more precise and show subfolder to :

du -Sh * | sort -rh | head -10

You need to find and list files :

find -type f -exec du -Sh {} + | sort -rh | head -n 5
or 
find /Ur/folder/path -type f -exec du -Sh {} + | sort -rh | head -n 5

You need to clean up your docker environement :

docker rmi -f $(docker images -a -q)

docker rm $(docker stop $(docker ps -a -q --filter ancestor=dashboard_dashboard_dc5 --format="{{.ID}}"))