# mkfs -q /dev/ram1 8192  # muodostuva levykuva on kooltaan 8M
# mkdir -p /ramcache
# mount /dev/ram1 /ramcache
# df -H | grep ramcache

tai: # mount -t tmpfs -o size=5G,nr_inodes=5k,mode=700 tmpfs /disk2/tmpfs        # http://www.cyberciti.biz/tips/what-is-devshm-and-its-practical-usage.html
      /etc/fstab:   none      /dev/shm        tmpfs   defaults,size=8G     0 0

    # mount -o remount /dev/shm


tai: # mkdir /tmp/ramdisk; chmod 777 /tmp/ramdisk
     # mount -t tmpfs -o size=256M tmpfs /tmp/ramdisk/
