[nemo@pootle ~]$ cat /proc/filesystems
nodev   sysfs
nodev   rootfs
nodev   bdev
nodev   proc
nodev   cgroup
nodev   cpuset
nodev   tmpfs
nodev   devtmpfs
nodev   binfmt_misc
nodev   debugfs
nodev   sockfs
nodev   pipefs
nodev   anon_inodefs
nodev   configfs
nodev   devpts
        ext3
        ext2
        ext4
        squashfs
nodev   ramfs
        vfat
        msdos
nodev   ecryptfs
nodev   autofs
        fuseblk
nodev   fuse
nodev   fusectl
        btrfs
nodev   pstore
nodev   efivarfs
nodev   mqueue
nodev   functionfs