配置格式
51 * * * * root xxxxxx_command #hourly
24 7 * * * root xxxxxx_command #daily
22 4 * * 0 root xxxxxx_command #weekly
42 4 1 * * root xxxxxx_command #monthly
参考
http://www.cnblogs.com/peida/archive/2013/01/08/2850483.html
配置格式
51 * * * * root xxxxxx_command #hourly
24 7 * * * root xxxxxx_command #daily
22 4 * * 0 root xxxxxx_command #weekly
42 4 1 * * root xxxxxx_command #monthly
参考
http://www.cnblogs.com/peida/archive/2013/01/08/2850483.html