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.
“Everything you read in newspapers is absolutely true, except for that rare story of which you happen to have first-hand knowledge” ~ Erwin Knoll
Related linux commands:
Equivalent Windows command: SET - comment.