ref: 3307090219e3084a68dec4d5252b39c089a8e45a dir: /rc/bin/start/
#!/bin/rc ~ $#* 0 || ps | sed -n '/^'$user' .*Stopped.* '$1'$/s%[^ ]* *%~>/proc/% s% *.*%/ctl% s%~%echo start%p'