Linux USB

Format USB stick

sudo fdisk -l   #fid out your usb device
df
umount /dev/sdb1
mkfs.vfat /dev/sdb1   #create fat32
mkfs.ext3 /dev/sdb1   #create ext3
mkdosfs -F 32 -I /dev/sdb1 #format device to fat32

Copy .iso on USB stick

sudo dd if=image.iso of=/dev/sdb1

Mount .iso

sudo mkdir /mnt/isoimage
sudo mount -o loop -t iso9660 image.iso /mnt/isoimage/