Definition: Environment variable: An instruction stored in the MS-DOS environment that controls, for example, how to display the DOS prompt, where to store any temporary files, and the path of directories that DOS searches to find commands. The PATH, COMSPEC, PROMPT, and SET commands in the AUTOEXEC.BAT file all define environment variables.
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Source: QUECID / Linux Dictionary V 0.16
http://www.tldp.org/LDP/Linux-Dictionary/html/index.html
Author: Binh Nguyen linuxfilesystem(at)yahoo(dot)com(dot)au
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