Where is the file of connected wifi devices stored in Linux?

Question

linux

In general, there is the arp -v command; it displays a list of devices with their mac addresses to the console, but where does it get them from? need file location

Answer 1

where does she get them from?

Catch fish with
strace -v arp -v
However, this list is not a list of connected wifi devices at all.

Answer 2

/etc/network/interfaces

Answer 3

The command displays the contents of the arp table, and over time, entries from this table are deleted. What problem are we solving?

Answer 4

Nowhere. But what you asked is in /proc/net/arp