ubuntu系统文件出错、修复

先查看系统文件所在分区：

df -h

挂载硬盘：

 sudo mount -o rw,remount /dev/sdb1

报错：

Remounting is not supported at present. You have to umount volume and then mount it once again.

再挂载硬盘：

sudo mount /dev/sdb1

又报错：
The disk contains an unclean file system (0, 0).
Metadata kept in Windows cache, refused to mount.
Falling back to read-only mount because the NTFS partition is in an
unsafe state. Please resume and shutdown Windows fully (no hibernation

修复！！！：

 sudo ntfsfix /dev/sdb1

修复成功：

Mounting volume… The disk contains an unclean file system (0, 0).
Metadata kept in Windows cache, refused to mount.
FAILED
Attempting to correct errors…
Processing $MFT and $MFTMirr…
Reading $MFT… OK
Reading $MFTMirr… OK
Comparing $MFTMirr to $MFT… OK
Processing of $MFT and $MFTMirrcompletedsuccessfully.Settingrequiredflagsonpartition...OKGoingtoemptythejournal($LogFile)… OK
Checking the alternate boot sector… OK
NTFS volume version is 3.1.
NTFS partition /dev/sdb1 was processed successfully.

卸载硬盘：

 sudo umount /dev/sdb1

读写挂载硬盘

sudo mount -o rw /dev/sdb1