#minute hour mday month wday command
*/5 * * * * /bin/touch xxx
「0,5,10,15,20,25,30,35,40,45,50,55」と同じ。
#minute hour mday month wday command
5-10 * * * * /bin/touch xxx
#minute hour mday month wday command
0 0 1 3 * [ `/bin/date +\%Y` -eq 2018 ] && touch /tmp/touch.txt