There are a few BLE Radar/Scanner Apps Like this. https://f-droid.org/packages/f.cking.software

You just need to know the Mac address range of the manufacturer and can get notified if body cams, smart glasses or anything else using Bluetooth is in the vicinity

Unlikely, as the v flag would leave a list of all deleted files before the active prompt.

Edit: I get it now. The ls was executed after deletion

Why is the cursor still on the same line as the prompt?

1. Why would meta have access to signal’s memory?
2. That’s why code audits have been done multiple times.
3. Reproducible builds. Signal has those since 2016