partition

Disk partitioning is the process of logically  dividing the storage space of a hard disc into separate areas , commonly called as partition or drives.

There are two types of partitions.

1.primary

2.extended

Maximum 3 primary partitions and next extended.

File system can controls all the data where it is store.

FAT .16-2GB

FAT.32-32GB

FAT.X-2TB

                           NTFS  16EB

Formatting is the process of creating file system on the partitions.

A file system tell how the files and folders to be created to store and retrieved.

File system	Max file size	Max volume on size	Os support
FAT-32	4GB	512MB to 8TB	Win 98,xp,vista,windows7
NTFS	16EB	16EB	Xp,vista,windows7,windows8

8bits-1byte       

1024byte-1kb

1024kb-1mb

1024mb-1gb

1024gb-1tb

1024tb-1pb(peta)

1024pb-1eb(exa)

1024eb-1zb(zeta)

1024zb-1yb(yota)