ref: 6076b4f9367729f60efe5a729070caaa5e38d29f dir: /rc/bin/start/
#!/bin/rc ~ $#* 0 || ps | sed -n '/^'$user' .*Stopped.* '$1'$/s%[^ ]* *%~>/proc/% s% *.*%/ctl% s%~%echo start%p'