By default, Mac OS X keeps all files and folders starting with . (dot) hidden. Here is a sample.
If you have used Maven in past then you might have some info about .m2 folder. As we know Maven Downloads all .jar files from repository to local machine in a default directory name .m2 and location of this directory in Windows machine (Inside User Folder) Or in Home directory in case of Mac machine. I wanted to change few .jar files and it took some time for me to figure out how to see these hidden files.
Another must read:
Below are the simple commands to show / hide hidden files on mac.
defaults write com.apple.finder AppleShowAllFiles TRUE killall Finder
defaults write com.apple.finder AppleShowAllFiles FALSE killall Finder
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