Problems using the `rm` command

rm filename: No such file or directory: The file or directory you are trying to copy does not exist.
usage: rm [-rif] file ...: You have used a non-existent option or you have failed to give a filename or directory_name.
rm: override protection 600 for filename? y rm: filename not removed: Permission denied: You don't have permission to remove this file or directory. Most likely you're trying to erase a system file or another user's file.

Problems using the rm command