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This article is about how to modify the environment variables of linux. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Method: 1, execute the "export PATH=$PATH:/usr/local/MATLAB/R2013b/bin" command can be temporarily modified; 2, execute the "gedit / etc/profile" command and log out of the linux, you can permanently modify the linux environment variable.

The operating environment of this tutorial: linux7.3 system, Dell G3 computer.

How to modify the environment variables of linux

Temporary modification of environment variables

Open the Linux terminal command window and enter the following command:

Export PATH=$PATH:/usr/local/MATLAB/R2013b/bin

To verify that the modification is successful, you can continue to enter the command eport to view it. In the following figure, you can see the environment variables that have been successfully added to matlab.

After the above modification, if you exit the terminal and reopen to view the environment variables again, you will find that the environment variables added above have disappeared again. That is, it only temporarily modifies the environment variables.

Permanently modify environment variables

If you want the environment variable to take effect permanently, you can modify either of the following two files:

1 / etc/profile

2 .bash _ profile

Where / etc/profile is a global environment variable that takes effect for all users, while .bash _ profile is enabled only for the current user.

‍ enter commands:

Gedit / etc/profile Open the profile file and add the following statement, save and exit gedit after the input is complete

After the above operation is completed, you need to log out of Linux for the environment variable setting to take effect.

Thank you for reading! This is the end of this article on "how to modify the environmental variables of linux". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it for more people to see!

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