git有关命令

创建分支：git checkout -b dev

切换分支：Switched to a new branch ‘dev’

查看当前分支：git branch
带*的为当前分支

切换回master分支：git checkout master
Switched to branch ‘master’

把dev分支的工作成果合并到master分支上：git merge dev

删除dev分支：git branch -d dev

创建版本库learngit：mkdir learngit
cd learngit

把这个目录变成Git可以管理的仓库：git init

显示从最近到最远的提交日志：git log