Manage disk usage in Ubuntu

- Show file system usage

$ df -h 

$ free -h

$ top

- Show disk usage in folder

$ sudo du -h --max-depth=1

$ sudo du -h

- Show performance

$ htop

- Clean disk

$ sudo apt-get clean
$ sudo apt-get autoremove 
$ sudo rm -rf {path-to-folder}
$ sudo rm -rf /tmp/*

- Check file max usage dis

$ sudo find / -type f -size +100M -exec ls -lh {} \; | awk '{ print $NF ": " $5 }'

Thank you