ref: a852f55b6c9e9c374fe35fafe6cf1fdfeea7211a dir: /rc/bin/stop/
#!/bin/rc U=`{cat /dev/user} ps | sed -n '/^'$U' .* '$1'$/s%[^ ]* *%~>/proc/% s% *.*%/ctl% s%~%echo stop%p'