print("\tdb.commandHelp(name) returns the help for the command");
print("\tdb.copyDatabase(fromdb, todb, fromhost)");
print("\tdb.createCollection(name, { size : ..., capped : ..., max : ... } )");
print("\tdb.createUser(userDocument)");
print("\tdb.currentOp() displays currently executing operations in the db");
print("\tdb.dropDatabase()");
光阴似箭催人老,日月如移越少年。