From: nospam@needed.invalid   
      
   On Tue, 3/11/2025 2:16 PM, Richard Kettlewell wrote:   
   > Daniel70  writes:   
   >> Some time ago, I backed up my Laptop's 500GB internal HD to an 2TB   
   >> external HD using (I forget) ... It might have been 'dd' but I doubt   
   >> it.   
   >   
   > A backup that you don’t know how to restore isn’t really any use.   
   >   
   >> However, the 500GB Internals Image took up 500GB on the External   
   >> (i.e. a byte-by-byte image, even the empty bytes, apparently!).   
   >>   
   >> Now, when I look at that External HD using my Win 11 Desk-top, it   
   >> doesn't 'see' anything.   
   >   
   > Look at it with a Linux box instead.   
   >   
   >> If I back-up this Win-11 Desktop to the same External HD, is there a   
   >> possibility that Win-11 will write itself over the Linux Image?? Or is   
   >> Win-11 able to detect that there is 'something' there so will go   
   >> looking for the next available UNUSED portion of the External HD??   
   >   
   > Not possible to say, since you don’t say how you made the backup.   
   >   
      
   sudo apt install disktype      # An application having a small source size,   
   but quite capable   
      
   sudo disktype /dev/sda         # check a hard drive (needs elevation with sudo)   
      
        file     my.img           # Check if the format is recognizable   
        disktype my.img           # If it is a dd img, display the partition   
   information   
      
     Paul   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)