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Last item I want to talk about is a .gitignore.

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So .gitignore is about files in a directory that you don't want to be cloned to the git repository.

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Think about files that contain sensitive values like passwords.

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Excluding these files from being synchronized is not difficult.

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You create a text file with the name .gitignore that lists all files that need to be ignored.

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A .gitignore file can be added to the current git project directory.

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Use the following to create a global .gitignore file.

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gitconfig --global core.excludes file

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and that allows you to put .gitignore underscore global in your home directory.

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And in this file you list files that should be ignored if they occur in any git repository.

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So no absolute file names, just the name of the file, the relative name of the file will do.

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Let me show you.

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So let's do echo password greater than password.txt sensitive value.

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And now I'm going to use echo password.txt greater than .gitignore.

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I'm just using echo with command output redirection as an editor.

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So this creates a .gitignore that lists the name of the file.

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Then I'm using git add star.

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And, oh, what do we see? Following paths are ignored.

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Password.txt.

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That's exactly what we need, right?

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And git status is showing me that there is an untracked file, the .gitignore.

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And git commit minus M, ignore file, edit, going to commit it.

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And, yeah, what do we see?

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It's not going to commit it because it's a .gitignore and .gitignore stays here.

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But in the top of my git commit, I can see that my branch is a head of origin made by one commit.

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And that means that I need to git push to synchronize everything.

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And now we can see that everything is all right and the .gitignore is included,

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so I won't get my password.txt on the remote.