How Mac systems Show and hide files

Apple Mac OS X operating system, hidden files are shown there are many ways to set, the simplest to count on the Mac Terminal input command. the show/Hide mac hidden files command is as follows (note the spaces and case-sensitive ):

command to display mac hidden files: Defaults write Com.apple.finder appleshowallfiles-bool true

command to hide Mac hidden files: Defaults write Com.apple.finder appleshowallfiles-bool false

Or

command to display mac hidden files: Defaults write Com.apple.finder appleshowallfiles YES

command to hide Mac hidden files: Defaults write Com.apple.finder appleshowallfiles NO

After you lose, click Enter , exit the terminal, and restart the Finder .
Restart Finder: Mouse click the Apple flag in the upper-left corner of the window and Force exit-->finder--> Restart

How Mac systems Show and hide files