[clug] Windows filesystem weirdness "com1"

Damien Elmes clug at repose.cx
Tue Jun 24 15:05:55 EST 2003

Michael Still <mikal at stillhq.com> writes:

> On Tue, 24 Jun 2003 Antti.Roppola at brs.gov.au wrote:
>> A little more experimentation shows that any file matching "com[1-9].* will not
>> copy across, and I cannot create them on local disks. Ditto things like "lpt1.txt".
>> Anyone got any ideas on this seemingly arbitrary filename limitation? It looks like
>> anything that could be a device name won't work. Especially annoying as I don't
>> want to break the apps I am archiving (or roll them into a tar file). :-P
> I seem to recall that Windows has device filenames, they're just hidden. I
> think you found them :)

But it gets more intelligent - a large number of windows installs will crash
if you attempt to open a file like \con\con.

Damien Elmes

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