[1|user@Nokia-N800-43-7|~]xkbd -geometry +780+65536 -k /media/mmc2/N800/Keyboards/scummside.xkbd & PID1=$! [1] 8764 [1|user@Nokia-N800-43-7|~]kill $PID1 kill: usage: kill [-s sigspec | -n signum | -sigspec] [pid | job]... or kill -l [sigspec] [1|user@Nokia-N800-43-7|~]kill 'pidof -s xkbd' -bash: kill: pidof -s xkbd: no such pid