Mac中把光盘转存为iso文件

因为Mac是类Unix的，因此，dd命令同样适用于Mac，那么，就很简单了，复习一下dd的用法而已

[xiaosilent@rmbp Volumes]$ drutil status
 Vendor   Product           Rev
 Slimtype DVD A  DS8A9SH    EC26

           Type: DVD+R                Name: /dev/disk1
       Sessions: 1                  Tracks: 1
   Overwritable:   00:00:00         blocks:        0 /   0.00MB /   0.00MiB
     Space Free:   00:00:00         blocks:        0 /   0.00MB /   0.00MiB
     Space Used:  484:48:32         blocks:  2181632 /   4.47GB /   4.16GiB
    Writability:
      Book Type: DVD+R (v1)
       Media ID: RITEK F16

[xiaosilent@rmbp Volumes]$ diskutil umountDisk /dev/disk1
Unmount of all volumes on disk1 was successful
[xiaosilent@rmbp Desktop]$ dd if=/dev/disk1 of=CentOS_x64_6.5_Final.iso
8726528+0 records in
8726528+0 records out
4467982336 bytes transferred in 1085.285855 secs (4116871 bytes/sec)