[root@git ~]# yum install git

[root@git ~]# git config --global user.name "xiaoyi"                  # 创建用户[root@git ~]# git  config --global user.email "admin@xiaoyi.com"      # 配置邮箱[root@git ~]# git config --global color.ui true                       #　配置颜色[root@git ~]# git config --list　　　　　　　　　　　　　　　　　　　　　　　# 查看配置user.name=xiaoyiuser.email=admin@xiaoyi.comcolor.ui=true[root@git ~]# mkdir xiao         # 创建仓库目录[root@git ~]# cd xiao/[root@git xiao]# git init        # 初始化仓库Initialized empty Git repository in /root/xiao/.git/[root@git xiao]# ll -atotal 12drwxr-xr-x. 3 root root 4096 Jun 14 10:06 .dr-xr-x---. 4 root root 4096 Jun 14 10:06 ..drwxr-xr-x. 7 root root 4096 Jun 14 10:06 .git

[root@git xiao]# echo "1 hehe" > readme.txt   # 创建文件                                                                                                                                                                                                                       [root@git xiao]# cat readme.txt     #　查看文件1 hehe[root@git xiao]# git status         # 查询# On branch master## Initial commit## Untracked files:#   (use "git add <file>..." to include in what will be committed)##       readme.txtnothing added to commit but untracked files present (use "git add" to track)[root@git xiao]# git add readme.txt # 加入到暂存区[root@git xiao]# git status         #　查询# On branch master   ## Initial commit## Changes to be committed:#   (use "git rm --cached <file>..." to unstage)##       new file:   readme.txt#[root@git xiao]# git commit -m "the first commit"　　＃ 提交到仓库[master (root-commit) 3511675] the first commit 1 files changed, 1 insertions(+), 0 deletions(-) create mode 100644 readme.txt

[root@git xiao]# echo "xiao" > deploy.sh  # 创建文件[root@git xiao]# git add deploy.sh        # 提交到暂存区[root@git xiao]# git status               # 查看状态[root@git xiao]# git commit -m "2th"      # 提交[root@git xiao]# git log                  #　查看日志

[root@git xiao]# echo 2 >> deploy.sh    #　追加文件[root@git xiao]# git status      [root@git xiao]# git add deploy.sh [root@git xiao]# git commit -m "add 2"[root@git xiao]# git log               # 查看日志commit cc7913913c2f1d037dab05ee0a5e50b5ec8b9d36Author: xiaoyi <admin@xiaoyi.com>Date:   Tue Jun 14 10:30:09 2016 +0800    add 2commit c91cad8dbe07c8671c5eed33073d666ea6ce26adAuthor: xiaoyi <admin@xiaoyi.com>Date:   Tue Jun 14 10:25:09 2016 +0800    2thcommit 3511675998635b5bbc3e8384cdf3867b57a96d0aAuthor: xiaoyi <admin@xiaoyi.com>Date:   Tue Jun 14 10:13:28 2016 +0800    the first commit

[root@git xiao]# cat deploy.sh          # 当前版本内容xiao2[root@git xiao]# git reset --hard HEAD^ #　一个^回退上一个版本，二个^^回退前二个版本HEAD is now at c91cad8 2th[root@git xiao]# cat deploy.sh xiao

[root@git xiao]# git reflog            # 查看flogc91cad8 HEAD@{0}: HEAD^: updating HEADcc79139 HEAD@{1}: commit: add 2c91cad8 HEAD@{2}: commit: 2th3511675 HEAD@{3}: commit (initial): the first commit[root@git xiao]# git reset --hard cc79139   # 回退到这个版本

git checkout -- readme.txt