linux initrd

https://www.cnblogs.com/shineshqw/articles/2336842.html

https://blog.csdn.net/D_Procedural_Life/article/details/114240145?spm=1001.2101.3001.6650.7&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-7.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-7.pc_relevant_default&utm_relevant_index=13

https://www.cnblogs.com/leaven/archive/2010/01/07/1641324.html