> version()
2.6.7
dev-be-mongo-01(mongod-2.4.12)[PRIMARY] admin:
> db.listCommands
function (){
    var x = this.runCommand( "listCommands" );
    for ( var name in x.commands ){
        var c = x.commands[name];

        var s = name + ": ";

        if (c.adminOnly) s += " adminOnly ";
        if (c.adminOnly) s += " slaveOk ";        // BUG here: should be checking c.slaveOk instead!

        s += "\n  ";
        s += c.help.replace(/\n/g, '\n  ');
        s += "\n";

        print( s );
    }
}