One of the great things about having Python installed on your Windows machine is that you can access it from anywhere. Simply pull up a command prompt and you can start entering commands, installing ...

win7系统环境变量包含了一个或者多个应用程序所将使用到的信息，比如Windows和DOS操作系统中的path环境变量，当要求系统运行一个程序而没有告诉它程序所在的完整路径时，系统除了在当前目录下面寻找此程序外，还应到path中指定的路径去找。用户可以通过环境 ...

Environment variables are name-value pairs for various programs or processes on an operating system. On Windows, the environment variables store all sorts of information about the operating system ...