It checks the USB for bad blocks to ensure a successful install.
Insert a flash drive (8GB or larger is recommended). rufus linux
In a software world often characterized by subscription models, telemetry, and feature bloat, Rufus is a refreshing throwback: a free, open-source, lightweight, and single-minded tool that simply does its job better than anything else. For anyone who has ever saved a failing computer with a Rufus-prepared USB drive, its value is immeasurable. It checks the USB for bad blocks to