This is just for reference to update/install Linux OS.
dd bs=4M status=progress if=ubuntu-16.04-desktop-amd64.iso of=/dev/sdc1
main@main-desktop:~/Downloads$ pwd
/home/main/Downloads
main@main-desktop:~/Downloads$ ll ubuntu-16.04.1-desktop-amd64.iso
-rw-rw-r– 1 main main 1513308160 Aug 17 16:48 ubuntu-16.04.1-desktop-amd64.iso
main@main-desktop:~/Downloads$
cd ~main/Downloads
sudo dd bs=4M status=progress if=ubuntu-16.04-desktop-amd64.iso of=/dev/sdb
sudo apt-get install unetbootin
sudo unetbootin