Linux使用Backspace键时出现^H 解决方法
1、https://blog.csdn.net/weixin_44483060/article/details/86682986?spm=1001.2101.3001.6650.18&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-18-86682986-blog-46593257.235%5Ev38%5Epc_relevant_default_base3&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-18-86682986-blog-46593257.235%5Ev38%5Epc_relevant_default_base3&utm_relevant_index=19
2、安装readline-devel