5 Answered Questions for the topic environment variables

Environment Variables Linux Unset

06/27/19

#### How do I delete an exported environment variable?

Before installing gnuplot, I set the environment variable GNUPLOT_DRIVER_DIR = /home/gnuplot/build/src. During the installation, something went wrong. I want to remove the GNUPLOT_DRIVER_DIR... more
Environment Variables Linux Sudo

06/21/19

#### How to keep environment variables when using sudo?

When I use any command with sudo the environment variables are not there. For example after setting HTTP_PROXY the command wget works fine without sudo. However if I type sudo wget it says it... more
Environment Variables General Computer Windows Command Line

06/17/19

#### How can I display the contents of an environment variable from the command prompt in Windows 7?

In Windows 7, when I start the Command prompt, is there any command to display the contents of an environment variable (such as the JAVA_HOME or PATH variables)?I have tried with echo \$PATH,... more
Environment Variables Python

05/08/19

#### How do I access environment variables from Python?

I set an environment variable that I want to access in my Python application. How do I get this value?
Environment Variables Linux Unix Crontab

04/18/19

#### Where can I set environment variables that crontab will use?

I have a crontab running every hour. The user running it has environment variabless in the .bash_profile that work when the user runs the job from the terminal, however, obviously these don't get... more

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