在DOS环境下，开机后，我们面对的不是桌面和图标，而是这样的电脑屏幕：这个C:\>叫做提示符，这个闪动的横线叫做光标。这样就表示电脑已经准备好，在等待我们给它下命令了。-In the DOS environment , the boot , we are not faced the desktop and icons , but this computer screen : This is the C: \> called prompt flashing horizontal line called the cursor . This means that the computer is ready and waiting to it under the command .