??????Linux????ν??iso??????????? ???????mount??????????
[root@DB-Server tmp]# ls /tmp/rhel-server-5.7-x86_64-dvd.iso
/tmp/rhel-server-5.7-x86_64-dvd.iso
[root@DB-Server tmp]# cd /mnt/
[root@DB-Server mnt]# mkdir cdrom
[root@DB-Server mnt]# mount -o loop /tmp/rhel-server-5.7-x86_64-dvd.iso  /mnt/cdrom/
[root@DB-Server mnt]# cd /mnt/cdrom/
??????/mnt/cdrom ??????iso??????????????????????????????iso9660
#mount -t iso9660 -o loop xxx.iso /some/path