Rm can’t delete file

chmod 777 -R /mnt rm -rf /mnt/* rm: cannot remove 'omitted': Read-only file system rm: cannot remove 'omitted': Read-only file system Please show me how I can do this? Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please … Read more

sudo rm -rf –no-preserve-root / vs sudo rm -rf /*

As everyone knows, these are two deadly unix commands that both tell a machine to commit suicide. But what is the difference between the two? The first one deletes the root directory, while the second one deletes everything in it. Both are equally bad, but will the first one delete the filesystem because it deletes the root directory itself? What is the difference?