git learning

Learn Git from LiaoXuefeng:    (# means note here)

Creat Reposity:
first,Creat a new folder:
$ mkdir dirname
$ cd dirname
second,Change the folder to a repository of Git：
$ git init
ls -ah   #there is a folder named .git
then,create a file under the folder you have turn into a repository,
and next,hand in the file into repository:
$ git add filename   #hand into Working Directory
$ git add -f foldername 
$ git commit -m "explain"   #hand into Repository

$ git status     #show repository's state
$ git diff       #show changes
$ git log        #show each hand in
$ git reset --hard HEAD/commit_ID   #back to last version/history version,,HEAD means current version
$ git reflog     #show history command
 

if you want to hand into Repository,you must be sure it has been in Working Directory already.

$ git checkout --file   #abondon the change in Working Directory
$ git reset HEAD file   #anondon the change in Repository back to Working Direcotory 

Remove file:
first,
$ rm filename
then,
$ git rm filename   #confirm to delete

Add to Github:
fitst, login Github ,find "Create a new repo" and fill in the "Repository name",click "Create repository"
then,
$ git remote add origin git@github.com:txAnnie/name.git   #connect a repository
$ git push origin master   #first time:" $ git push -u origin master"

******if you failed to remote :
$ git remote rm origin
then 
$ git remote add origin git@github.com:txAnnie/name.git
if you failed to push:
$ git pull origin master
then,
$ git push origin master******

Clone from Github:
$ git clone git@github.com:txAnnie/name.git