SD cards are formatted under Windows and can only be formatted in the FAT file system format, but the FAT file system does not support soft links under Linux. It is also necessary to format it as a file system format under Linux, such as EXT2.
Use built-in Linux with the Tools command mkfs.ext2.
root@target:~# mkfs.ext2/dev/mmcblk0
mke2fs 1.41.5 (23-apr-2009)
filesystem label=
OS type:linux< br> block size=1024 (log=0)
Fragment size=1024 (log=0)
31360 inodes, 125440 blocks
6272 blocks (5.00%) reserve D for the super User
Block=1
Maximum filesystem blocks=67371008
Blocks groups
8192 blocks per Group, 8192 fragments per group
1960 Inodes per group
superblock backups stored on blocks:
8193, 24577, 40961, 57345, 73729
Writing inode tables: 0/16 1/16 2/16 3/16 4/16 5/16 6/16 7/16 8/16 9/1610/1611/1612/ 1613/1614/1615/16done &NBSP;
writing superblocks and filesystem accounting Information:done
This filesystem'll be automatically Checke D every mounts or
180, whichever comes use to Tune2fs-c or-i.
Override
Mount SD Card
root@target:~# mount-t ext2/dev/mmcblk0/media/mmc1/
Enter SD card, "Lost+found" indicates that the mount has been successful
root@target:~# cd/media/mmc1/
root@target:/media/mmc1# ls
Lost+found