How to set up environment variable properly?

TheOnlyIdiot

I opened the /etc/environment and added the line ANDROID_SDK_HOME="/home/tom/android-sdk" but I tried echo $ANDROID_SDK_HOME but displayed nothing. I have JAVA_HOME in the same /etc/environment but its working. Please help me fix the problem. Thanks in advance.

TheKojuEffect

Environment variables can be defined permanently by editing the .profile file in your home directory. Here's how:

Edit your .profile file with a command like gedit ~/.profile. Append this to the end of the file:

export ANDROID_SDK_HOME=/home/tom/android-sdk

You can source .profile to make it apply right away. Each time you restart your system, the .profile file is loaded, restoring this setting.

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edited at2021-03-30

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How to set up environment variable properly?

How to set up environment variable properly?

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