操作系统是链接计算机硬件与上层软件及用户的桥梁，其安全性是计算机信息系统安全的重要组成部分。

OS was the bridge between hardware and upper layer software of which security is a very important component element of the whole information security system.

youdao

操作系统是链接计算机硬件与上层软件及用户的桥梁，其安全性是计算机信息系统安全的重要组成部分。

OS was the bridge between hardware and upper layer software of which security is a very important component element of the whole information security system.

youdao