List the names and values of all environment variables or, with VARIABLE, the value of the environment variable name.

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

   VARIABLE     The name of the environment variable.

   -0, --null   End each output line with 0 byte rather than newline.

   --help       Display this help and exit

   --version    Output version information and exit

“Everything you read in newspapers is absolutely true, except for that rare story of which you happen to have first-hand knowledge” ~ Erwin Knoll

Equivalent Windows command: SET - comment

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