On Wed, Jul 30, 2003 at 01:36:17PM +0000, Jianan Huang wrote: > Those double d commands are marvellous; simple and yet effective. It > even produces a positive side-effect; a backup copy of the floppy > image in the harddisk. I don't know if I'm the only one with this > problem; I read through 'dd' with 'man' but is left with the > impression that it is only for files copying. Which part indicates > that it can do image copy?
In Unix, devices are typically presented as files, and you can read from them (sort of) just like ordinary files. With this knowledge it's more clear that you can treat a floppy disk as a file and just read off all the data. 'info dd' has an example of copying between a disk and a tape. Cheers, -- Colin Watson [EMAIL PROTECTED] -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
