无法挂载分区
sudo mount /dev/sdb4 /media/sdb4 -t ext4
mount: wrong fs type, bad option, bad superblock on /dev/sdb4,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
我得到如下命令的输出:sudo fdisk -lu
Disk /dev/sdb: 500.1 GB, 500107860992 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773166 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000d3c84
Device Boot Start End Blocks Id System
/dev/sdb1 * 2048 206847 102400 7 HPFS/NTFS/exFAT
/dev/sdb2 206848 204802047 102297600 7 HPFS/NTFS/exFAT
/dev/sdb3 204804094 879108929 337152418 5 Extended
/dev/sdb4 879110144 976772253 48831055 83 Linux
/dev/sdb5 204804096 236923236 16059570+ 83 Linux
/dev/sdb6 302471883 879108929 288318523+ 83 Linux
/dev/sdb7 236924928 253643677 8359375 82 Linux swap / Solaris
/dev/sdb8 253644800 302471167 24413184 83 Linux