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  1. Categories >> Software >> Operating Systems >> Unix >> Unix General
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How can you get/set an environment variable from a program?

Question Posted / Roshni Kumari

Answer Posted / Roshni Kumari

You can get an environment variable using the getenv() function in C and set it by using setenv(), unsetenv(), or putenv(). In shell scripts, you can use export to set variables and print them with echo.

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