This was not a helpful response. I also don’t know what it is.

This is an old Stack Overflow approach. Don’t say that you can’t figure out how to do something in Linux, say that Linux can’t do it. You’ll get examples.

Relatedly, some long structures that seek entirely straight have different lengths depending on the altitude you measure them. For example, an oft repeated tidbit is that the Lake Ponchartrain causeway is two inches longer when measured at the deck than at water level due to the earths curvature.