tldr/pages/common/printenv.md

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# printenv
> Print values of all or specific environment variables.
> More information: <https://www.gnu.org/software/coreutils/printenv>.
- Display key-value pairs of all environment variables:
`printenv`
- Display the value of a specific variable:
`printenv {{HOME}}`
- Display the value of a variable and end with NUL instead of newline:
`printenv --null {{HOME}}`