Table of Contents
printenv - print all or part of environment
printenv [--help]
[--version] [variable...]
This manual page documents the GNU version
of printenv. If no arguments are given, printenv prints the entire environment.
If one or more variable names are given, it prints the value of each
one that is set, and nothing for each one that is not set.
The exit status
is:
0 if all variables specified were found
1 if at least one specified variable was not found
2 if a write error occurred
Options --help Print a usage message on standard output and exit successfully.
--version Print version information on standard output then exit successfully.