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===== DD =====

Copy data/partition with dd: you can just copy files and partions but NO folders.

  dd if=/path/file of=/path/file 
  dd if=/dev/sda1 of=boot.partition 
  dd if=/dev/sda of=/tmp/mbr_copy bs=512 count=1
  dd if=/dev/cciss/c0d0 bs=16065b | gzip -1 >/mnt/LinuxDD_Images/wilde20110416.gz

  dd if=/dev/zero of=youroutputfile bs=1024 count=102400                               #Creates a file with blocksize 1024 and 100 MB
  dd if=/dev/zero of=/tmp/swapfile bs=1024 count=2M                                    #Creates a file with blocksize 1024 and 2GB