Why we specify system ID for a partition?

by fedora   Last Updated January 11, 2019 12:02 PM

When we partitioning a hard drive in Linux we set a System ID (for example 83) for a partition and when we want to mount it to a directory we use mkfs -t to format it and mount it to the directory. My question is why we don't format the partition when using fdisk command at first and we need to do it again?

Tags : partitioning

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