rootfs on / type rootfs (rw)
/dev/root on /rom type ext2 (rw)
none on /proc type proc (rw)
none on /sys type sysfs (rw)
none on /tmp type tmpfs (rw,nosuid,nodev)
tmpfs on /dev type tmpfs (rw)
none on /dev/pts type devpts (rw)
/dev/mtdblock3 on /jffs type jffs2 (rw)
mini_fo:/jffs on / type mini_fo (rw)
root@OpenWrt:/sbin# df -h
Filesystem                Size      Used Available Use% Mounted on
/dev/mtdblock3           11.5M    696.0k     10.8M   6% /jffs
mini_fo:/jffs             4.6G     10.4M      4.3G   0% /
root@OpenWrt:/sbin# fdisk -l

Disk /dev/sda: 5000 MB, 5000970240 bytes
255 heads, 63 sectors/track, 608 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xe27da98c

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1         608     4883728+  83  Linux
root@OpenWrt:/sbin#