If you have a removable disk, like a USB memory stick or an external hard disk, you may sometimes wish to completely remove all of its files and folders. You can do this by formatting the disk — this deletes all of the files on the disk and leaves it empty.
Open
Select the disk you want to wipe from the list of storage devices on the left.
一定要确保您选择正确的磁盘！如果您选错了，将会删除其他磁盘上的文件！
In the toolbar underneath the
In the window that pops up, choose a file system
如果除 Linux 计算机以外，您还要在 Windows 和 Mac OS 计算机上使用该磁盘，请选择
Give the disk a name and click
Once the formatting has finished, click the eject icon to safely remove the disk. It should now be blank and ready to use again.
格式化磁盘并不是擦除所有数据的绝对完全方式。经过格式化的磁盘不会显示含有文件，但通过特殊的数据软件却可能重新恢复这些文件。如果您需要安全地删除文件，您将需要使用命令行程序，如