disk cleanup

基本解释

If your application uses a disk cache, it also registers with the Disk Cleanup utility.
如果你的应用程序使用一个磁盘缓冲，它要被磁盘清理应用所记录。
Click Start, point to All Programs, point to Accessories, point to System Tools, and then click Disk Cleanup.
单击开始，指向所有程序，指向附件，指向系统工具，然后单击“磁盘清理”。
On a PC, run Disk Cleanup and Disk Defragmenter at least once a month. This will store files more efficiently so your system doesn’t slow down.
在个人电脑上，每月至少运行一次磁盘清理和磁盘碎片整理程序这将更有效地存储文件确保您的系统不会慢下来。