ref: 5f0cff613ccb73bb9b5f33f7437d8f4d572d0fca dir: /rc/bin/stop/
#!/bin/rc U=`{cat /dev/user} ps | sed -n '/^'$U' .* '$1'$/s%[^ ]* *%~>/proc/% s% *.*%/ctl% s%~%echo stop%p'