root@p200:/ # cat /proc/filesystems
nodev   sysfs
nodev   rootfs
nodev   ramfs
nodev   bdev
nodev   proc
nodev   cgroup
nodev   tmpfs
nodev   devtmpfs
nodev   binfmt_misc
nodev   debugfs
nodev   securityfs
nodev   sockfs
nodev   pipefs
nodev   rpc_pipefs
nodev   configfs
nodev   devpts
        ext3
        ext2
        ext4
        cramfs
nodev   hugetlbfs
        vfat
        msdos
        iso9660
nodev   ecryptfs
nodev   nfs
nodev   nfs4
nodev   jffs2
nodev   autofs
        fuseblk
nodev   fuse
nodev   fusectl
        udf
nodev   pstore
nodev   mqueue
nodev   selinuxfs
nodev   mtd_inodefs
nodev   functionfs
root@p200:/ #