Mail Archives: cygwin/2013/01/08/10:15:21
On 1/8/2013 06:59, bartels wrote:
>
> The windows format.com
format.com hasn't existed since the DOS days. That includes the
DOS-based versions of Windows, up through Windows ME. Under NT-derived
versions of Windows, "format" is a built-in command in cmd.exe.
> claims the fs is write protected, but I hope dd
> can help out.
It's worth a try, but if I had to take a blind bet on it, I'd say you're
going to find that dd will give the same result. Cygwin is essentially
a user-level process. If cmd.exe cannot do a thing, dd.exe probably
can't, either.
It is *possible* that unmounting the filesystem with the taskbar button
will let you write to the raw device. But Windows being Windows, it's
possible that will make it disappear from the system entirely, too.
> The mtab is not very helpful:
That's because Cygwin proper does not mount local filesystems. The
Cygwin mount table just shows you Cygwin-specific mappings that it has
added on top of what the underlying NT kernel has done.
In this case...
> D: /cygdrive/d udf binary,posix=0,user,noumount,auto 1 1
...it is showing you the /cygdrive/d alias Cygwin has provided for you.
> My question is this: which device in /dev do I use?
According to [this][1] it's probably /dev/sdb. But please do read
through what I pointed you to first, and check its applicability
carefully before attempting this.
[1]
http://cygwin.com/cygwin-ug-net/using-specialnames.html#pathnames-posixdevices
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