Shell Global


### System wide
- `etc/profile`
- `etc/environment`
- `etc/xprofile`
- `/etc/<shell>.<shell>rc`
- `/etc/environment.d/*.conf`

### sesion


### BEST description
> [How to permanently set $PATH on Linux/Unix?](https://stackoverflow.com/questions/14637979/how-to-permanently-set-path-on-linux-unix)





