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A new directory can be added to a user’s PATH by editing ~/.bash_profile or ~/.bashrc files in the user’s home directory.
For login shells, they use the analogous shell profile files zprofile and kprofile.When you open a new shell, the changes are lost, and you are once again unable to execute certain commands because those programs are not found in the PATH.The first way of setting your $PATH permanently is to modify the $PATH variable in your Bash profile file, located at to my PATH.Following those changes the PATH will now include the directory ‘/programs’ the next time the user logs into the system.wiki How is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Operating systems commonly use environment variables to define various global settings for parts of your operating system or to control how applications run.The PATH environment variable stores a colon separated list of locations to look for a command/application when one is run at the command line.
For example, when running a command such as ls or vi the system checks all of the directories listed in the PATH (in order from left to right) to find the executable or script the user is attempting to run.To create this article, volunteer authors worked to edit and improve it over time. The PATH variable is one of these environment variables and is constantly used without the user realizing it.The variable stores a list of directories where applications (most commonly, your shell) should look for a program whenever you run it as a command.Imagine trying to run the and so on, that your computer needs to be able to find when you invoke them at the command line.The $PATH variable is the key that makes it possible to find the correct program and execute it at your command needing the executable's full directory path.You can create a new file in the /etc/profile.d/ directory. With vim editor (but feel free to edit it with another editor): vim /etc/profile.d/:write and quit and it's done your path has been modified.