Ahhh sorry I read it as a question

Think of it like making a fake copy? Source file is first, symlink is second.

It’s the same as cp or mv. Source dest.

Your phone uses tons of shit to figure out where it is. Cell towers, known WiFi access points, GPS, GLONASS, some others I forget the name of.

One time we moved a state away and brought our router without changing the SSID. For like 2 weeks our phones would show us back at the old place whenever we were on the wifi