The following table illustrate my partition
Device Boot Start End Blocks Id System
/dev/sda1 * 63 83891429 41945683+ 7 HPFS/NTFS/exFAT
/dev/sda2 83891491 625141759 270625134+ f W95 Ext'd (LBA)
/dev/sda5 83891493 264253184 90180846 7 HPFS/NTFS/exFAT
/dev/sda6 264253248 444614939 90180846 7 HPFS/NTFS/exFAT
/dev/sda7 444616704 446568447 975872 83 Linux
/dev/sda8 495398912 612583423 58592256 83 Linux
/dev/sda9 612585472 625141759 6278144 82 Linux swap / Solaris
/dev/sda10 446570496 495396863 24413184 83 Linux
Now, I want to backup my system just Linux, can you show me how to fix it using dd
command or another best ways?