what is partition?

Partition means that divided a hardisk into 2 or more drives.

e.g: you only have a hardisk into your pc, the first drive should be C:, after you have patition, the hardisk will have drive D:, E:, F: or even more(depends on how many drive you have partition).

n.
1. 分開;分割;劃分[U][(+into)]
They called for the partition of that country into two independent states.
他們要求把那個國家分割為獨立的兩個國家。
2. (分割而成的)部分;分隔間[C]
3. 分隔物;隔牆;隔板[C]
Folding partitions separated the living and dining areas.
摺疊式的隔板將起居和吃飯的地方分開。
vt.
1. 把...分成部分,分割[(+into)]
The large room was partitioned into five offices.
那個大房間被分隔成五個辦公室。
2. (用隔板等)隔開[(+into/off)]
He partitioned off part of the room as a study.
他將房間一部分隔開作書房。