// To install
# The version of Dart
version=3.1.3

wget https://storage.googleapis.com/dart-archive/channels/stable/release/$version/sdk/dartsdk-linux-x64-release.zip
unzip dartsdk-linux-x64-release.zip
rm -r dartsdk-linux-x64-release.zip
mv dart-sdk /usr/local/dart
ln -s /usr/local/dart/bin/dart /usr/bin

// To uninstall
rm -r /usr/local/dart /usr/bin/dart