ref: f5ff6d6f34e2cab60722a8a2e8444436c969bfeb dir: /rc/bin/stop/
#!/bin/rc U=`{cat /dev/user} ps | sed -n '/^'$U' .* '$1'$/s%[^ ]* *%~>/proc/% s% *.*%/ctl% s%~%echo stop%p'