PRINTENV(1L)

NAME
printenv - print all or part of environment

SYNOPSIS
printenv [variable...]

DESCRIPTION
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 otherwise