Argthtjtr

63 9 I have a DVD ROM with some teaching resources on it (Headway Beginner's English teaching teacher's DVD). When I look at the DVD from a Ubuntu machine, I see one set of files (which includes a setup-linux file among other things, although that doesn't work). When I view the same DVD from a Windows machine, I see a different set of files, including a setup-windows.exe file. Neither machine sees all the files, but there are some common to both. My questions are: How does this work? How can I see the all the files when using Ubuntu? Edit: this is not due to files being "hidden" when viewed in a file manager, lower level things like "ls -a" do not reveal the missing files. Edit 2: I'm using Ubuntu 18.04 LTS mount dv...