cd linux https://www.cnblogs.com/yanghua1012/p/5964613.html
https://www.cnblogs.com/mq0036/p/3735322.html
https://m.ddooo.com/softdown/52135.htm
http://cdlinux.net/cdlinux-1157-1-1.html
https://www.cnblogs.com/yanghua1012/p/5964613.html
kail software install
https://baijiahao.baidu.com/s?id=1588467399314290323&wfr=spider&for=pc
https://blog.csdn.net/hardhard123/article/details/72809857
http://www.mamicode.com/info-detail-1655863.html
https://www.52pojie.cn/thread-767036-1-1.html
https://blog.csdn.net/qq_30135181/article/details/51049419