Linux command: printenv

printenv - print all or part of environment

NAME
       printenv - print all or part of environment

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

DESCRIPTION
       Print  the  values  of the specified environment VARIABLE(s).  If no VARIABLE is speci‐
       fied, 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.

AUTHOR
       Written by David MacKenzie and Richard Mlynarik.

REPORTING BUGS
       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report printenv translation bugs to <http://translationproject.org/team/>