How to list all databases in the mongo shell?

Question

I know how to list all collections in a particular database, but how do I list all available databases in MongoDB shell?

Answer 1

To list mongodb database on shell

 show databases     //Print a list of all available databases.
 show dbs   // Print a list of all databases on the server.

Few more basic commands

use     // Switch current database to . The mongo shell variable db is set to the current database.
show collections    //Print a list of all collections for current database.
show users  //Print a list of users for current database.
show roles  //Print a list of all roles, both user-defined and built-in, for the current database.