How to tell what file system type I have?

[joe at actionline.com]

> I have slackware running on this beast and cat /etc/mtab worked for me.
>
> delboy at ladmo:~$ cat /etc/mtab
> /dev/sdb4 / ext4 rw,commit=0 0 0
> /dev/sda1 /home/delboy ext4 rw,commit=0 0 0
> /dev/sdb3 /mnt/sdb3 ext4 rw,commit=0 0 0
> /dev/sdc1 /home/delboy/sdc1 ext4 rw 0 0
>
> In the above I edited out some other stuff, but this shows the
> partitions that are mounted and the file system of each.  All the
> partitions on this machine are ext4, but many options are possible.
>
>    Also a partition editor tool such as gparted will show you all the
> partitions on your hard drives and what file system each one is
> formatted with.  This includes file systems that may not be mounted.
>
> On 01/04/2013 06:04 PM, joe at actionline.com wrote:
>> How can I tell what file system type I have on any given computer?

======= Thanks. That worked to show the file system type is ext4 =======
[joe at localhost ~]$ cat /etc/mtab
/dev/sda1 / ext4 rw 0 0
none /proc proc rw 0 0
none /dev/pts devpts rw 0 0
tmpfs /dev/shm tmpfs rw 0 0
/dev/sda6 /home ext4 rw,user_xattr 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
nfsd /proc/fs/nfsd nfsd rw 0 0