On Fri, 23 Mar 2012, Denis Heidtmann wrote:

> This is very confusing to me.  When I insert the stick that the Startup
> Disk Creator wrote, Ubuntu tells me that it is a 4.0 GB file system of type
> msdos.  So I assumed that the .iso existed as a file (or folder) on the
> stick, but the stick's file system was determined by the format.  What
> Startup Disk Creator did was put on the stuff to make it bootable (in
> addition to copying the .iso file).
>
> Please correct my thinking.

Denis,

   My understanding is that live disks, bootable distributions, on optical
media (cdrom or dvd) are in iso-9660 format. That may not always be true.

   I had not known of Startup Disk Creator before your message and know
nothing about it. I use cdrecord (usually via xcdrecord, sometimes on the
command line) to write .iso files to removable media as a read-only file
system of type ISO-9660. If the tool you used does something different then
others will need to answer your questions.

   On the other hand, if you can stick the stick in and re-boot the machine
to the OS on the stick, what does the file system matter?

Rich


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