Intanto grazie per le risposte, l'output di cat /proc/filesystems è

codice:
nodev sysfs
nodev rootfs
nodev bdev
nodev proc
nodev tmpfs
nodev debugfs
nodev securityfs
nodev sockfs
nodev usbfs
nodev pipefs
nodev anon_indefs
nodev inotifyfs
nodev devpts
nodev ramfs
      romfs
nodev mqueque