#The hard disk partition that contains the files and data necessary for operating system startup is called the primary partition.The primary partition is a relatively simple partition, usually located in the front area of the hard disk, forming a logical C disk. To install an operating system on a hard drive, the hard drive must have a primary partition.
In the MBR partition mode, the hard disk can only be divided into 4 partitions, and 4 partitions are definitely not enough, so the concepts of extended partitions and logical partitions were born, and the previous partition type was named main Partitioned. In fact, in the early hard disk partitions, there was no concept of primary partition, extended partition and logical partition. The type of each partition was what is now called a primary partition.
After the main partition is separated, the remaining part can be divided into extended partitions. Generally, the remaining part is divided into extended partitions, or it may not be divided completely, and the remaining part is wasted. Of course, you can also take advantage of the remaining two primary partitions to temporarily increase partition use in the future.
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