Default AOSP and TouchWiz Base rom usb storage ."hidden" folder.

i just want to ask, whenever i'm on AOSP based rom, if i'm connected to the pc using usb, it shows hidden folder with " . " but if im on Touchwiz based rom, my windows did'nt shows the hidden folder. Is it kernel related? Can somebody explain?
If I do help, don't forget to press thanks.

Samsung Galaxy Note 3 SM-N9005 32GB White/Black
[My own KitKat Custom Rom (IzArsha Mark 7 Android EvolutionX)] ◄/► [MIUI V5 N9005]
SneakyKat_Rev3.2
► = Awesome Battery Life