What is Git's equivalent of a relative path?

A hash is like an absolute path: it identifies a specific commit. Another way to identify a commit is to use the equivalent of a relative path. The special label HEAD, which we saw in the previous chapter, always refers to the most recent commit. The label HEAD~1 then refers to the commit before it, while HEAD~2 refers to the commit before that, and so on.

Note that the symbol between HEAD and the number is a tilde ~, not a minus sign -, and that there cannot be spaces before or after the tilde.

You are in the dental repository. Using a single Git command, show the commit made just before the most recent one. Which of the following files did it change?

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report.txt.
data/western.csv.
Both of the above.
Neither of the above.

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What is Git's equivalent of a relative path?

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