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PRINTENV(1) User Commands PRINTENV(1)

printenv - print all or part of environment

printenv [OPTION]... [VARIABLE]...

Print the values of the specified environment VARIABLE(s). If no VARIABLE is specified, print name and value pairs for them all.
-0, --null
end each output line with NUL, not newline
--help
display this help and exit
--version
output version information and exit

NOTE: your shell may have its own version of printenv, which usually supersedes the version described here. Please refer to your shell's documentation for details about the options it supports.

Written by David MacKenzie and Richard Mlynarik.

GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
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Copyright © 2019 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

Full documentation <https://www.gnu.org/software/coreutils/printenv>
or available locally via: info '(coreutils) printenv invocation'
March 2019 GNU coreutils 8.31