换了台电脑，换了个操作系统，连fstab文件都得重新写一遍。

sudo cp /etc/fstab /etc/fstab.bak
sudo vim /etc/fstab

# /etc/fstab: static file system information.
#
#

proc /proc proc defaults 0 0
/dev/sda9 / ext3 defaults,errors=remount-ro 0 1
/dev/sda12 /home ext3 defaults 0 2
/dev/sda10 /usr ext3 defaults 0 2
/dev/sda11 none swap sw 0 0
/dev/hda /media/cdrom0 udf,iso9660 user,noauto 0 0
/dev/sda1 /mnt/win_c ntfs ro,uid=1000,iocharset=utf8 0 0
/dev/sda5 /mnt/win_d ntfs ro,uid=1000,iocharset=utf8 0 0
/dev/sda6 /mnt/win_e ntfs ro,uid=1000,iocharset=utf8 0 0
/dev/sda7 /mnt/win_f ntfs ro,uid=1000,iocharset=utf8 0 0
/dev/sda8 /mnt/win_g vfat ro,uid=1000,iocharset=utf8 0 0保存，退出。

sudo mount -a