https://serverfault.com/questions/709433/install-a-newer-version-of-git-on-centos-7 You could use a IUS repository (https://ius.io/) as provided on Git official site here: https://git-scm.com/download/linux To do that, run (as root): yum install epel
现在,你已经学会了修改文件,然后把修改提交到Git版本库,现在,再练习一次,修改readme.txt文件如下: Git is a distributed version control system. Git is free software distributed under the GPL. 然后尝试提交: $ git add readme.txt $ git commit -m "append GPL" [master 3628164] append GPL 1 file cha