I would like to know
What is the exact meaning of primary partitions? Why it is named so? and why it is restricted to 4?
What is meant by extended partitions? Why it is named so? and what is the possible number of extended partitions in the hard disk?
What is mean by logical partitions? Why it is named so? How it is calculated?
What are the advantages of these software partitioning?
Is it it possible to install OS(Linux/windows) in all partitions ? If no, why?