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Capture screenshots of the login screen
Authored by: Spencerian on Mar 11, '03 11:33:43AM
Well, I am an author and I do find this very useful. In the past I've been stumped at this trick, which I thought was done photographically. This was one of a very, very few items that escaped me in my mastery of OS X. The silly part of it is that it's so simple to understand why. Thanks for the hint.

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Capture screenshots of the login screen
Authored by: kirkmc on Mar 11, '03 12:28:47PM

I spent a couple of hours researching this, checking on lots of web sites, and it was finally a colleague developer who suggested the hint. (I'm the one who posted this to the X-unix list.) Needing this for a book I'm writing, I couldn't understand how other authors had managed to get shots of this.

A notes: this only works when you are logged in as root. If not, you get a message saying something like window server not available. I don't know why this is the case.

Kirk



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Root needed?
Authored by: incongruity on Mar 11, '03 02:50:05PM

Think security.

If you didn't need root access, this tip would be a serious security flaw.



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Root needed?
Authored by: kirkmc on Mar 12, '03 03:46:43AM

Why?


Kirk



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Root needed?
Authored by: robophilosopher on Aug 11, '03 10:36:09PM

The reason why is that this trick doesn't only work for the login screen; you can capture the screen at any point this way. If you didn't need root access, then you could, in theory, capture screenshots of what someone else was doing from another room. Particularly a problem on shared computers.



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