ref: e6815283f0ec6715d34d49dfa33d9ba47f164d9f dir: /rc/bin/stop/
#!/bin/rc U=`{cat /dev/user} ps | sed -n '/^'$U' .* '$1'$/s%[^ ]* *%~>/proc/% s% *.*%/ctl% s%~%echo stop%p'