sicher.
mount:
rootfs on / type rootfs (rw)
/dev/root on / type squashfs (ro)
dev on /oldroot type tmpfs (rw,nosuid)
dev on /dev type tmpfs (rw,nosuid)
proc on /proc type proc (rw,nodiratime,nosuid,nodev,noexec)
tmpfs on /var type tmpfs (rw)
sysfs on /sys type sysfs...