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![1 An Introduction to the X Window System - X Window System User's Guide for X11 R3 and R4 of the X Window System [Book]](https://www.oreilly.com/api/v2/epubs/9780937175149/files/images/fig_1_1.jpg "1 An Introduction to the X Window System - X Window System User's Guide for X11 R3 and R4 of the X Window System [Book]")
1 An Introduction to the X Window System - X Window System User's Guide for X11 R3 and R4 of the X Window System [Book]
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