Ubuntu Tweak Janitor source code commands
sudo rm -rf /var/apt/cache/archives/*.deb
sudo apt-get clean
rm -rf ~/.cache/google-chrome/Default/*
rm -rf ~/.cache/chromium/Default/*
rm -rf ~/.cache/telepathy/Cache*
rm -rf ~/.googleearth/*
rm -rf ~/.cache/gwibber/
while read -r line; do if [[ "$line" == Path=* ]]; then rm -rf ~/.mozilla/firefox/${line:5}/Cache/*; rm -rf ~/.mozilla/firefox/${line:5}/OfflineCache/*; fi; done < ~/.mozilla/firefox/profiles.ini
while read -r line; do if [[ "$line" == Path=* ]]; then rm -rf ~/.thunderbird/${line:5}/Cache/*; rm -rf ~/.thunderbird/${line:5}/OfflineCache/*; fi; done < ~/.thunderbird/profiles.ini
rm -rf ~/.opera/cache/*
dpkg --list |grep "^rc" | cut -d " " -f 3 | xargs sudo dpkg --purge //this one may be dangerous. only run if you know what it’s doing.
rm -rf ~/.cache/software-center/*
rm -rf ~/.thumbnails/*
dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge
Source: reddit.com
