Target processes by port, PID, name or path. proc is a semantic CLI tool for process management on macOS, Linux and Windows. Find what's on a port, why it's there, and stop it, in one command you'd guess on the first try. ~proc kill :3000 Ends whatever is listening on port 3000 immediately (SIGKILL). Asks first, and --dry-run previews. A leading colon means a port: proc acts on whatever is listening on it. brew install yazeed/proc/proc One command instead of a pipeline The same jobs, without remembering which flags lsof needs or piping PIDs into kill. lsof -i :3000 -P -nproc on :3000lsof -i :3