De facto is a Latin phrase that means in fact (literally by or from fact) in the sense of “in practice but not necessarily ordained by law” or “in practice or actuality, but not officially established”, as opposed to de jure.

dongle is a small piece of hardware that connects to another device to provide it with additional functionality. distro

mortem 事后剖析 daemon is a computer program that runs as a background process, rather than being under the direct control of an interactive user. fagan

neologism niˈɒlədʒɪzəm 新词; 旧词新义; 新词[新义]的使用; 新词[新义]的创造者[使用者];