Pls see following result:

/home/user # mount
rootfs on / type rootfs (rw)
/dev/root on /mnt/initfs type jffs2 (ro)
none on /mnt/initfs/proc type proc (rw)
none on /mnt/initfs/sys type sysfs (rw)
none on /mnt/initfs/tmp type tmpfs (rw)
/dev/mtdblock4 on / type jffs2 (rw,rpsize=1024,rpuid=0,rpuid=30000)
none on /tmp type tmpfs (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
none on /dev type tmpfs (rw)
devpts on /dev/pts type devpts (rw)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
/dev/mmcblk0p1 on /media/mmc2 type vfat (rw,nosuid,nodev,noexec,uid=29999,fmask=0133 ,dmask=0000,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8)
/dev/mmcblk1p1 on /media/mmc1 type vfat (rw,nosuid,nodev,noexec,uid=29999,fmask=0133 ,dmask=0000,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8)