Xkill is a utility program distributed with the X Window System that instructs the X server to forcefully terminate its connection to a client, thus "killing" the client. When run with no command-line arguments, the program displays a special cursor (usually a crosshair or a skull and crossbones) and displays a message such as
O xkill é um programa do X Window System que permite terminar clientes/programas.
Abstract from DBpedia / Wikipedia · CC BY-SA
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).