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Ubuntu how to set environmental variables, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

One: for the current terminal:

Enter in the current terminal:

The code is as follows:

Export PATH=$PATH:

However, the above method only applies to the current terminal and is invalid once the current terminal is closed or in another terminal.

Two: for the current user:

There is a .bashrc hidden file in the user's home directory. You can add PATH to this file as follows:

The code is as follows:

Vi / .bashrc

Join:

The code is as follows:

Export PATH=:$PATH

If you want to join multiple paths, just:

The code is as follows:

Export PATH=::. : $PATH

Each path should be separated by a colon.

So that every login will take effect.

Three: for all users:

The code is as follows:

Sudo vi / etc/profile

Join:

The code is as follows:

Export PATH=:$PATH

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