disk image

作るとき。

>dd if=/dev/zero of=disk.img bs=512 count=15000
>sudo /sbin/losetup /dev/loop0 ./disk.img
>sudo /sbin/mke2fs /dev/loop0
>sudo mount disk.img /mnt/loop0 -o loop=/dev/loop0
>sudo chgrp wheel /mnt/loop0
>sudo chmod 775 /mnt/loop0
>cp -r disk /mnt/loop0/
>sudo umount /mnt/loop0/

dd の bs, count は必要分確保。

で、使うとき。

>sudo /sbin/losetup /dev/loop0 ./disk.img
>sudo mount dev/loop0 /mnt/loop0
>sudo umount /mnt/loop0/