For instance, on Mac OS X, the wall utility — short for "write all," because it writes a message to every physical or virtual terminal device — is setgid tty (as shown above).
例如，在MacOSX中，wall工具(“writeall”的缩写，因其会将某个消息写入所有物理或虚拟终端设备而得名)的setgid被设为tty(如上所示)。
Amazon's EC2 allows customers to install and run instances of several Unix flavors, then run applications developed for those OSes into a virtual terminal window.
亚马逊的EC2可以让用户安装和运行多种版本的Unix操作系统，然后在一个虚拟的终端窗口中运行为这些操作系统开发的应用。
Proved by the programming test, the relevant algorithm described in this paper can solve the man-machine interaction problem effectively about the mobile terminal in the virtual environment.
编程测试证明，文中所述相关算法能有效解决虚拟环境下移动终端的相关人机交互问题。
Proved by the programming test, the relevant algorithm described in this paper can solve the man-machine interaction problem effectively about the mobile terminal in the virtual environment.
编程测试证明，文中所述相关算法能有效解决虚拟环境下移动终端的相关人机交互问题。
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