在 Linux 中將光碟資料轉換成 ISO 檔案 (Convert CD/DVD ROM to ISO file in Linux)

光碟很容易受到物理損壞導致資料遺失
若果光碟所保存的資料只是一堆獨立檔案，只需要將它們複製至硬碟中便可以保存
但若果那是一隻安裝光碟，隨便將檔案複製，檔案資料有機會不能正常運作
若果能夠建立 ISO 檔案，便可以隨時透過映像檔錄製光碟
Disc is easy to lose data if taking physical damages
If the disc is store with data files independently, just copy the files to the harddisk to backup the data
However, if the disc is an install disc, although the files are copied, some of them cannot be functioned
If back up a disc with an ISO file, we can write a disc on any time with any disc writer


載入光碟
Insert and load the disc


開啟 Terminal 並輸入
Open Terminal and type

ls -l /dev/*rom

檢查哪一個 CD/DVD ROM 正在使用
check out which CD/DVD ROM is using


輸入
Type

dd if=/dev/<your CD/DVD ROM> of=<output file>

若果 if 或 of 的路徑有空格，必須使用 ' 或 "
if the path of if or of including space(s), the string of path must use ' or "