MongoDB README
DOCUMENTATION
  https://www.mongodb.org/
COMPONENTS
  mongod - The database process.
  mongos - Sharding controller.
  mongo  - The database shell (uses interactive javascript).
BUILDING
      
  See docs/building.md, also www.mongodb.org search for "Building".
RUNNING
  For command line options invoke:
    $ ./mongod --help
  To run a single server database:
    $ mkdir /data/db
    $ ./mongod
    $
    $ # The mongo javascript shell connects to localhost and test database by default:
    $ ./mongo 
    > help
DRIVERS
  Client drivers for most programming languages are available at mongodb.org.
NOTES
  Mongo uses memory mapped files.  If built as a 32 bit executable, you will
  not be able to work with large (multi-gigabyte) databases.  However, 32 bit
  builds work fine with small development databases.
LICENSE
  Most MongoDB source files are made available under the terms of the
  GNU Affero General Public License (AGPL).  See individual files for
  details.
  As an exception, the files in the client/, debian/, rpm/,
  utils/mongoutils, and all subdirectories thereof are made available under
  the terms of the Apache License, version 2.0.