Mongo shell is a command line interface between user and database. You can connect to your MongoDB server using this shell and manage your databases and collections. You can also perform the administrative tasks on MongoDB.
Connect to MongoDB Shell
Type mongo on your system terminal. It will automatically connect to your local MongoDB server running on port 27017.
You need to specify the hostname to connect remote database. Also, specify port if MongoDB is running on different port.
Exit the mongo Shell
Use quit() function or press CTRL+C to quit from mongo shell.