在蘋果用命令列建立 CD/DVD .iso image

1. 取得 DVD 在 /dev/ 的磁碟代號.
$ drutil status

Vendor Product Rev
MATSHITA DVD-R UJ-8A8 HA13

Type: DVD-ROM 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: 601:20:16 blocks: 2706016 / 5.54GB / 5.16GiB
Writability:
Book Type: DVD-ROM (v1)

2. 從上列命令得知. DVD 的代號為 /dev/disk1. 再用下列命令卸載 DVD
$ diskutil unmountDisk /dev/disk1

Unmount of all volumes on disk1 was successful

3. 用 dd 指令匯出 iso 檔案. 需要花一段時間
$ dd if=/dev/disk1 of=DVD.iso bs=2048

2706016+0 records in
2706016+0 records out
5541920768 bytes transferred in 1599.459628 secs (3464871 bytes/sec)

4. 測試掛載剛剛做好的 .iso image, 可以用 Finder 直接在DVD.iso檔案上按兩下就能順利掛載.
$ hdid DVD.iso

相關閱讀 : 轉換 .dmg 為 .iso

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