ref: 0beecd8577e44f17c6c5e64bca2553cee0ddac9a dir: /rc/bin/stop/
#!/bin/rc ~ $#* 0 || ps | sed -n '/^'$user' .* '$1'$/s%[^ ]* *%~>/proc/% s% *.*%/ctl% s%~%echo stop%p'