Plan 9 from Bell Labs’s /usr/web/sources/plan9/rc/bin/kill
#!/bin/rc rfork e U=`{cat /dev/user} for(i){ ps | sed -n '/^'$U' .* '$i'$/s%[^ ]* *%~>/proc/% s% *.* (.*)%/note # \1% s%~%echo kill%p' }