mount iso Ubuntu and NetBSD

Ubuntu way

$ sudo mkdir /media/iso
$ sudo mount -t iso9660 netbsd/i386cd-4.0.iso /media/iso -o loop
$ ls -la /media/iso/

NetBSD way

$ su
# vnconfig -c vnd0 /home/mark/i386cd-3.0.1.iso
# mount_cd9660 /dev/vnd0d /image/

(from : http://wiki.netbsd.se/How_to_install_NetBSD_from_an_USB_Memory_Stick )