How to creat another branch based on one branch with an older commit 

your current branch is : X
Branch X has a commit id is <sha1-of-commit>
then you use this below command
git branch Y <sha1-of-commit>
OR    



git branch Y HEAD~3   


    

  • HEAD means (the reference to the) current commit
    • 

  • HEAD~1 means (the reference to) 1 commit before
    • 

  • HEAD~ ALSO means (the reference to) 1 commit before
    • 

  • HEAD~87 means (the reference to) 87 commits before
    • 






==> you are creating a new branch called Y with the lastest commit is <sha1-of-commit>

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