## Pen for OS/2 Device Driver Reference

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### Glossary - L

L

LCD - Liquid crystal display.

line feed - (1) The movement of the print or display position to the corresponding position on the next line. (T) (2) The incremental relative movement between the paper carrier and the type carrier in a direction perpendicular to the writing line.

liquid crystal display (LCD) - A display device that creates characters by means of the action of reflected light on patterns formed by a liquid that becomes opaque when it is energized.

logical device - (1) A file for conducting input or output with a physical device. (2) A file for mapping user I/O between virtual and real devices. A logical device can be accessed using the file system API.