How to determine what filesystem a directory exists on?

Maybe you are looking for

df .

When you are in the directory you want to know the mountpoint of?

Straphka idea to use df will work well if you add some flags like the -T that shows filesystem type, (and maybe the -P for posix compability). And to top it off we can use awk to filter the output so we only print the type output column.

df -PTh . | awk '{print $2}'

or if you like to check up on a dir called smb/media/ in your homedir.

df -PTh ~/smb/media/ | awk '{print $2}'

You can use this:

stat -f -c %T .

It outputs nfs, ext2/ext3 or something different.