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tool overview
On this page you find all important commands for the CLI tool printenv. If the command you are looking for is missing please ask our AI.


  1. The printenv command is a powerful command line tool that prints the values of environment variables.
  2. It is available on most Unix-like systems, including Linux and macOS.
  3. By default, printenv displays all the defined environment variables in alphabetical order.
  4. Environment variables are global variables that are accessible to all running processes and can store information such as system paths, usernames, or language preferences.
  5. With printenv, you can view specific environment variables by passing their names as arguments.
  6. For example, running "printenv PATH" will display the value of the PATH variable, which contains a list of directories to search for executable programs.
  7. If no arguments are provided to the printenv command, it will display all environment variables and their values.
  8. You can use printenv in shell scripts to access and utilize environment variables within your scripts.
  9. It is often used in combination with other command line tools like grep and sort to filter and manipulate the output.
  10. Being a simple yet versatile tool, printenv is helpful for troubleshooting, debugging, and understanding the current environment set up on your system.

List of commands for printenv:

  • printenv:tldr:0ff6d printenv: Display the value of a variable and end with NUL instead of newline.
    $ printenv --null ${HOME}
    try on your machine
    explain this command
  • printenv:tldr:9964f printenv: Display the value of a specific variable.
    $ printenv ${HOME}
    try on your machine
    explain this command
  • printenv:tldr:d3bc3 printenv: Display key-value pairs of all environment variables.
    $ printenv
    try on your machine
    explain this command
tool overview