{{Box|text=
Set the <code>{{{variable}}}</code> environment variable. There are several methods, but the [[#/etc/environment Method]] is the simplest one. <ref>
https://help.ubuntu.com/community/EnvironmentVariables
</ref>

{{Anchor|/etc/environment Method}}
<u>'''/etc/environment Method'''</u><br />

This will apply to the whole environment. <ref>Unless this environment variable is manually unset before starting Tor Browser.</ref>

{{Open with root rights|filename=
/etc/environment
}}

Add the following line.

{{CodeSelect|code=
{{{variable}}}
}}

Save and reboot.
}}