ref: 09645d2dd7a2832f0e2292c70d4b63fc5d31f2ac dir: /rc/bin/stop/
#!/bin/rc ~ $#* 0 || ps | sed -n '/^'$user' .* '$1'$/s%[^ ]* *%~>/proc/% s% *.*%/ctl% s%~%echo stop%p'