is there a way to tell that you have ext4 filesystem vs ext3

[Antonio Olivares]

--- On Fri, 10/3/08, Gerry Tool <gerrytool at gmail.com> wrote:

> From: Gerry Tool <gerrytool at gmail.com>
> Subject: Re: is there a way to tell that you have ext4 filesystem vs ext3
> To: olivares14031 at yahoo.com, "For testers of Fedora Core development releases" <fedora-test-list at redhat.com>
> Date: Friday, October 3, 2008, 5:33 PM
> On Fri, Oct 3, 2008 at 7:23 PM, Antonio Olivares
> <olivares14031 at yahoo.com> wrote:
> > Dear fellow testers,
> >
> > Is there a way to tell if one is running ext4
> filesystem vs. ext3?
> >
> > I used ext4 boot parameter to install Fedora 10 Beta,
> but I am not sure that the filesystem is ext4 :(
> >
> > Thanks,
> >
> > Antonio
> 
> If you run Gparted, will it show the file system type
> correctly?

Gparted does not show the filesystem types?  If it does, how do I run it?
I tried LiveCD, but it does not show what filesystem type it is.  fdisk shows:

[root at riohigh ~]# fdisk -l

Disk /dev/sda: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xaf7caf7c

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          12       96358+  83  Linux
/dev/sda2           31841       31865      200812+  83  Linux
/dev/sda3           31866       38913    56613060   8e  Linux LVM
/dev/sda4              13       31840   255658410    5  Extended
/dev/sda5              13       26108   209616088+  83  Linux
/dev/sda6           26109       26239     1052226   82  Linux swap / Solaris
/dev/sda7           26240       31840    44990001   83  Linux

Partition table entries are not in disk order
[root at riohigh ~]# 

Thanks,

Antonio