From LQWiki

Many netbooks come with a touchscreen that can be used under Linux. You will typically get the netbook with Linux pre-installed, but you will have to calibrate the touchscreen. This article describes how.

• find out your Distribution

Ubuntu

• Use the tool calibration:

calibration

and follow the on-screen instructions.

Note taking on a touchscreen

You can take notes in your handwriting using Xournal.

See also

• EGalax Touchscreen
• Tablet pc