> use bash.org
switched to db bash.org
> db.quotes.save(

{x:"hi"}

);
Mon Feb 20 08:25:25 uncaught exception: error

{ "$err" : "bad or malformed command request?", "code" : 13530 }

The "use" command should check if the database name is a valid name otherwise further commands will raise errors that are not directly related to the real problem (n00b confusion).