To monitor a USB copy :

# returns when it's finished
sync 
# detailed view
watch -d grep -e Dirty: -e Writeback: /proc/meminfo

Windows UBS bootable depuis linux

gparted
format all in fat32
activate flag boot, esp (pour uefi)

copie de l'iso

sudo dd bs=4M if=path/to/input.iso of=/dev/sd<?> conv=fdatasync  status=progress

ou unetbootin |sur debian](https://wiki.debian-fr.xyz/Unetbootin)

# wget https://github.com/unetbootin/unetbootin/releases/download/655/unetbootin-linux64-655.bin
# mv unetbootin-linux64-655.bin /usr/local/bin/unetbootin
# chmod +x /usr/local/bin/unetbootin 

Voir si il y a des données en transfert

cat /sys/block/<dev>/stat
watch grep ^Dirty /proc/meminfo

(via https://lehollandaisvolant.net/?id=20190424151806)