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#1.clone source code
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#git clone https://github.com/czhen1992/test.git

#2.create new branch for coding
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#git checkout -b t-1
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#3. add a new file to staged
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#git add Readme
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#4. commit
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#git commit -m "commnet xxxxxxx"
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#Others:
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#git status    -----> used to view modifiy files in staged
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#git init      -----> used to init a repository
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#associte local repo and remote repo
#git remote add origin https://github.com/czhen1992/test.git
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#git push -u origin master
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#set current code for origin upstream
#git push --set-upstream origin t-1