git-6_修改后提交（commit&change）

$git status       #Check what's changed currently
$git add $file    #Add changed files to local git stage
$git commit $file #Commit files, Input comments
$git commit –a    #commit all files not git-add, Input comments
$git commit –a –m “your comments” #commit with comment, not suggest
$git log          #Check the commit history
$git log -n         #display the latest n commit
$git log  --author=eyouzho
$git log --stat    #see files details
$git log --pretty=oneline #One line displays, showing only the hash 

value and the commit description
    $git rm $file     # remove some files for current stage
$ git add forgotten_file         # add this file to the 
$ git commit --amend             # amend commit to last one