The slot manager runs as a daemon to control the number of token slots provided to applications, and it interacts with applications using a Shared memory region.
槽管理器作为守护进程来运行以控制向应用程序提供的令牌槽数，并且使用一个共享内存区域与应用程序交互。
2
Numbers have the special tokenNUMBER returned; everything else is just returned as plain characters.
数字会返回专门的标记NUMBER；其余的都只是作为普通的字符返回。
3
The basic idea is unchanged: The card is a token, a unique number encoded in a magnetic stripe.