A path variable is a particular sort of surroundings variable that shops the areas of directories and applications. In Linux, path variables are used to inform the system the place to seek out executable information. If a program is just not within the present listing, the system will seek for it within the directories specified within the path variable. Setting the trail variable appropriately ensures that you could run applications from any listing.
To verify the trail variable, open a terminal window and sort the next command: