thanks alot
i have got an error . here it is everything .




BusyBox v1.10.2 (Debian 3:1.10.2.legal-1osso26+0m5) built-in shell (ash)
Enter 'help' for a list of built-in commands.

~ $ sudo gainroot
Root shell enabled


BusyBox v1.10.2 (Debian 3:1.10.2.legal-1osso26+0m5) built-in shell (ash)
Enter 'help' for a list of built-in commands.

/home/user # umount /home/user/MyDocs
umount: cannot umount ��/home/user/MyDocs: No such file or directory
/home/user # fsck -f /dev/mmcblk0p1
fsck 1.41.3.maemo0 (12-Oct-2008)
dosfsck 3.0.1, 23 Nov 2008, FAT32, LFN
Logical sector size is zero.
/home/user # mount MyDocs
mount: mounting /dev/mmcblk0p1 on /home/user/MyDocs failed: Invalid argument
/home/user #