https://www.reddit.com/r/linux4noobs/comments/w7o4o3/someone_please_help_me_understand_what_path_is/ https://www.reddit.com/r/linuxquestions/comments/pgv7hm/whats_actually_setting_the_path_variable/ https://stackoverflow.com/questions/531998/is-there-a-way-to-set-the-environment-path-programmatically-in-c-on-windows PATH as part of system security: https://vk9-sec.com/privilege-escalation-linux-path-hijacking/