Why we don't specify branch name of the remote repo while using Git push?

[Quazi Irfan]

When I push to a remote repo on git I use the following command,

git push <name of remote repo> <name of a branch in the local repo>

But remote repo can have multiple branches. How does git know which branch at remote repo to push the change to?

In other words, if I need to specify the branch name in the local repository, why I don't have to specify the branch name at the remote repository?

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[Jeanne Boyarsky]

Quazi,
You are pushing to the equivalent remote branch as the local branch. So once git has the local branch name, it knows what is going on.

[Quazi Irfan]

So, git will push to the branch at remote with the same name. Got it.

But, what if the remote doesn't have any branch with the same name?

[Jeanne Boyarsky]

There's a few ways to do it. I like
git push --all -u

This pushes all your local branches to the remote.