DSCI week5 github version control

Reading

Version control repositories

分为Local&remote两个repository
version control就是把local的上传到remote上，方便协作和记录文档的changes
同时把在remote上的记录下来储存到local中

Local to remote

change files
->
add to staging area_>
commit to repository history(write message about the changes,git give you a commit hash as a unique identifier)
->
Push to github(token）

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Remote to Local

pull