The most used command to displays the environment variables is printenv . If the name of the variable is passed as an argument to the command, only the value of that variable is displayed. If no argument is specified, printenv prints a list of all environment variables, one variable per line.
How do I see displays in Linux?
Basic Linux Screen Usage
- On the command prompt, type screen .
- Run the desired program.
- Use the key sequence Ctrl-a + Ctrl-d to detach from the screen session.
- Reattach to the screen session by typing screen -r .
How can I see environment variables?
On Windows
Select Start > All Programs > Accessories > Command Prompt. In the command window that opens, enter echo %VARIABLE%. Replace VARIABLE with the name of the environment variable you set earlier. For example, to check if MARI_CACHE is set, enter echo %MARI_CACHE%.