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From: Steven Friedrich <FreeBSD@InsightBB.com>
To: "FreeBSD-Questions" <FreeBSD-Questions@FreeBSD.org>
Date: Mon, 30 Aug 2004 17:29:31 -0400
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Subject: determine X windows version from command line
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I've been massaging UberMon for SuperKaramba for my FreeBSD systems.

I'd like to be able to run a command that will yield which X window system is 
installed and what version.

I've done it with something like startx -- -version, but this is problematic 
if X windows is running (which is the scenario I need it to work in).

Even then, I'd have to grep for "XFree86 Version" so it isn't a general 
solution that would work for systems already switched to x-org.

Any deas?