linux学习链接
哔哩哔哩
https://www.bilibili.com/video/BV1mW411i7Qf?from=search&seid=4587862116724074639&spm_id_from=333.337.0.0
https://study.163.com/course/courseLearn.htm?courseId=983014#/learn/video?lessonId=1159109&courseId=983014
菜鸟教程
https://www.runoob.com/linux/linux-intro.html
文档
https://blog.csdn.net/yy150122/article/details/106146414