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This article mainly introduces the Linux system umount command how to use, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

In Linux systems, the mount command is used to mount the file system, so the umount command must be used to unmount the file system.

Syntax umount [- ahnrvV] [- t] [File system] argument:-a dismounts all file systems recorded in / etc/mtab.

-h displays help.

-n do not store the information in the / etc/mtab file when dismounting.

-r if it cannot be dismounted successfully, try to mount the file system again as read-only.

-t dismounts only the file system specified in the option.

-v displays detailed information when executed.

-V displays version information.

[file system] in addition to specifying the file system directly, you can also use the device name or mount point to represent the file system.

Case study: the following two commands unmount the file system through the device name and mount point, respectively, while outputting the details:

# umount-v / dev/sda1 uninstall / dev/sda1 umounted # umount-v / mnt/mymount/ through the mount point / tmp/diskboot.img umounted if the device is busy, the uninstall fails. A common reason for uninstallation failure is that the current directory of an open shell is a directory in the mount point:

# umount-v / mnt/mymount/ umount: / mnt/mymount: device is busy umount: / mnt/mymount: device is busy Thank you for reading this article carefully. I hope the article "how to use umount commands in Linux system" shared by the editor will be helpful to you. At the same time, I hope you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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