`Dir.getwd` shows `Dir.pwd` as its name

[Earlopain]

https://docs.ruby-lang.org/en/master/Dir.html#method-c-getwd

Dir.getwd is an alias for Dir.pwd. First I thought it was missing, but it seems to actually assume the name of the alias instead. https://docs.ruby-lang.org/en/master/Dir.html#method-c-pwd