login service的用法和樣例：
例句
- The final problem identified in the logging service example was the large number of threads active at any given time.
登錄服務這個例子中發現的最後一個問題是任何時候龐大的活動線程數量。 - Many services, like Telnet and Windows Remote Registry Service, should be turned off if you don't need them.
有許多服務系統，像遠程運行和遠程登錄服務，如果你不需要時就應當關掉它們。
