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From:	"H. S." <hs DOT samix AT gmail DOT com>
Subject:	Re: how to detect if Windows or Linux is running?
Date:	Thu, 01 Dec 2005 17:50:35 -0500
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Buchbinder, Barry (NIH/NIAID) wrote:
> H. S. wrote:
> 
>>Christopher Faylor wrote:
>>
>>>On Thu, Dec 01, 2005 at 05:07:15PM -0500, H. S. wrote:
>>>
>>>
>>>>Hi,
>>>>
>>>>I have installed Cygwin on a Windows XP computer to get rsync and
>>>>ssh running so that I can backup my important data on a Linux
>>>>computer on my home LAN. The idea is to use rsync to make rolling
>>>>backups of my Windows data automatically, say, once or twice a day
>>>>and to retain last N backups (N most probably going to be 10~20).
>>>>
>>>>But the problem I had not foreseen is that I dual boot this Windows
>>>>machine between Windows XP and Debian. How should I gracefully let
>>>>the rsync server know if this computer is running Linux or XP?
>>>>
>>>>I know that if the computer is running Linux, the rsync server will
>>>>never find /cygdrive/... folders and will just quite with an error.
>>>>But this is not 'clean', it will result in mails to the rsync
>>>>server root about the error. 
>>>>
>>>>Suggestions?
<SNIP>
> 
> 
> Perhaps you could look for environmental variables that Windows sets but
> Linux doesn't.  COMSPEC, windir, SystemDrive, SystemRoot, ProgramFiles,
> CommonProgramFiles
> 

er .. how can I do that using SSH and non-interactively?

thanks,
->HS




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