unmount
verb [ T ] computing specialized uk/ˌʌnˈmaʊnt/ us/ˌʌnˈmaʊnt/
卸载（磁盘或磁盘驱动器）
to make a disk or disk drive no longer available for use on a computer
In order to unmount a CD-ROM, you should use the unmount command.
If you cannot safely unmount your hard drive, power down the computer by holding down the power button for six seconds. 如果你不能安全地卸载你的硬盘，请按住电源按钮六秒钟，关闭计算机电源。
- More examples
- Now right-click the drive icon and select "Unmount".
- When you have unmounted a RAM disk, the content is deleted and the memory is released.
- The operating system powers off USB devices after unmounting them.