List the names and values of all environment variables or, with VARIABLE, the value of the environment variable name.
Syntax printenv [OPTION]... [VARIABLE]... Key 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
Some shells may provide a builtin printenv command which is similar or identical to this utility.
Related linux commands:
Equivalent Windows command: SET – comment