答:示例如下,
$ sudo umount -l /PATH/OF/BUSY-DEVICE ($ sudo umount -l /dev/sda1)
$ sudo umount -f /PATH/OF/BUSY-NFS(NETWORK-FILE-SYSTEM) ($ sudo umount -f /nfs)
2022-07-10 20:42:51
答:示例如下,
$ sudo umount -l /PATH/OF/BUSY-DEVICE ($ sudo umount -l /dev/sda1)
$ sudo umount -f /PATH/OF/BUSY-NFS(NETWORK-FILE-SYSTEM) ($ sudo umount -f /nfs)