# What's Installed?

Need to know which version of a package is currently installed?

For Ubuntu 18.04, visit the playground and run:

lsb_release -a
gcc --version
perl --version
ruby --version
node --version
go version
java -version
javac -version
docker version
docker-compose version
pip --version
python --version
pip3 --version
python3 --version
dotnet --version

To list all packages installed, run:

apt list --installed > out
cat out