Use this tag when your issue involves a Linux laptop/PC, or addresses Linux specific topics of your Android device. (Note that running Linux distros on Android is off-topic.) In the latter case, consider if other tags like e.g. 'command-line' or 'shell' might be better fitting. See the full tag wiki for additional details and hints.
What is Linux?
Linux is a computer operating system with is based on free and open source software. Android shares some components with the linux operating system, where the linux kernel being the most popular and important shared component.