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Program Environment Variables

Getting/ Setting program environment variables
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Applications and Utilities: Showing

env(1) - set and print environment {oss}

Man pages: RedHat NetBSD
Source code: OpenBSD
[IEEE Std1003.2-1992 (``POSIX.2'')]

printenv(1) - print out the environment {oss}

Man pages: FreeBSD RedHat NetBSD
Source code: OpenBSD FreeBSD

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Libraries and Components: Showing

getenv putenv setenv unsetenv (3) - environment variable functions {oss}

Man pages: FreeBSD RedHat Solaris NetBSD
Source code: OpenBSD FreeBSD
[ANSI C X3.159-1989]

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Related Subjects (Man pages)

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The name of the currently running program is discussed at Running Process Information - Getting information on running processes.

See also Program Configuration Data

Up to Execution

See also: Local Process Communication - Communication between processes running on the same system. Synchronization. File locking. Signals. FIFOs, pipes, et al

See also: Process Creation and Control - covers child process control (like sending signals), renice, fork, et al

(There may be additional related subject pages listed here)

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