cat /proc/filesystems
nodev sysfs nodev rootfs nodev bdev nodev proc nodev cgroup nodev tmpfs nodev devtmpfs nodev debugfs nodev sockfs nodev pipefs nodev anon_inodefs nodev devpts ext3 ext2 ext4 nodev ramfs vfat nodev autofs fuseblk nodev fuse nodev fusectl btrfs nodev functionfs nodev oprofilefs