Linux.com: Looking good: Monitor Calibration Under X

"A lot of Linux users seem resigned to the notion that the X Window System is a second-class citizen in the calibration world. They couldn't be more wrong. Just as Linux allows you the flexibility to hand-tune your kernel configuration and optimize your disk drive performance to the manufacturer's limits, you can calibrate your monitor with enough precision to satisfy the pros. Here's how.

"To begin with, understand that all display calibration has one goal: appearing correct to your eye. An image--whether it's a JPEG file or a live video feed--is a big matrix of pixel values. The job of the computer monitor is to map those pixels to glowing dots that look right to you..."

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• Linux Journal: I Can See Clearly Now, the Fonts Are Smooth(Jan 21, 2004)
• developerWorks: Graphics from the Command Line(Jul 18, 2003)
• LinuxLookup.com: Multiple Monitors with X Mini Guide(Oct 23, 2002)
• LinuxPlanet: HOWTO: Multiple local XFree users under Linux (Mar 15, 2001)