6. Sfdisk & ndash; backup partition table
If you install multiple systems, it can easily lead to confusion in the partition table. The tool is bundled with various Linux distributions and can be used to back up, edit, and restore partitioned tables.
Back up the partition table with sfdisk -d /dev/sda > sda_table.txt; sfdisk /dev/sda < sda_table.txt Restore the partition table.
If you install RAID, you can use sfdisk -d /dev/sda
LDM/STM instructions are mainly used for field protection, data copying, parameter transfer, etc. ST
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