Why UNIX systems, such as the hidden directory to point at the beginning?

we all know,in Windows Hidden folders are invisible,They some system files,While others arevirus。If you have to display words,After warning system,You can be in the form of semi-transparent folder to see this folder,Systems in order to identify a folder is hidden,It has a "-s"Properties,Protected by the system。

So a lot of people are new to Linux、OSX,Will be very[……]

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