The information is available through /Applications/Utilities/Disk Utility.app
or via the command line utility diskutil info /Volumes/<VolumeName>
.
UPDATE: Actually, those only provide information about file systems on locally attached disks and disk images. For other types of mountable file systems, you can use the mount
command to get information about all mounted file systems including the file system types. Or, if you are just interested in one particular file type, you can use df -t
.
$ mount
[...]
a.net:/srv/music on /Volumes/music/music (nfs, nodev, nosuid, automounted, nobrowse)
[...]
$ df -t nfs
Filesystem 512-blocks Used Available Capacity Mounted on
a.net:/srv/music 227067200 208996288 6536576 97% /Volumes/music/music