Use this command to list the MongoDB databases on the command line:
echo 'show dbs' | mongo
Example output:
MongoDB shell version v4.0.13
connecting to: mongodb://127.0.0.1:27017/?gssapiServiceName=mongodb
Implicit session: session { "id" : UUID("5c1e505e-9b05-4270-ab20-c537c0760481") }
MongoDB server version: 4.0.13
admin 0.000GB
config 0.000GB
drawing 0.001GB
order 0.000GB
production 0.001GB
standards 0.001GB
user 0.000GB
bye