To unmount the ISO image when you are done, simply do this, running the command from a terminal either as root or using sudo: umount /mnt/loop0 rw-r-r- 2 root root 801 12:46 RELEASE-NOTES-ro rw-r-r- 2 root root 752 12:46 RELEASE-NOTES-pt_BR rw-r-r- 2 root root 706 12:46 RELEASE-NOTES-nl rw-r-r- 2 root root 766 12:46 RELEASE-NOTES-ja rw-r-r- 2 root root 852 12:46 RELEASE-NOTES-fr rw-r-r- 2 root root 788 12:46 RELEASE-NOTES-es rw-r-r- 2 root root 694 12:46 RELEASE-NOTES-en rw-r-r- 2 root root 839 12:46 RELEASE-NOTES-de rw-r-r- 2 root root 655 12:46 RELEASE-NOTES-cs
