The version I have is the official download as obtained yesterday.
I logged in as root (not sure what you meant by root/superuser/administrator) and did as suggested as you can see below I ended up with a 'cant find' when trying to mount hda5...
[root@localhost ~]# fdisk -l
Disk /dev/hda: 8622 MB, 8622931968 bytes
240 heads, 63 sectors/track, 1113 cylinders
Units = cylinders of 15120 * 512 = 7741440 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 677 5118088+ b W95 FAT32
/dev/hda2 678 1113 3296160 5 Extended
/dev/hda5 678 909 1753888+ 83 Linux
/dev/hda6 910 956 355288+ 82 Linux swap / Solaris
/dev/hda7 957 1113 1186888+ 83 Linux
[root@localhost ~]# mount /dev/hda5/mnt
mount: can't find /dev/hda5/mnt in /etc/fstab or /etc/mtab
[root@localhost ~]#