Simplify the following text for a Grade 12 native English-speaking person.
Original: GNU Parted ( the name being the conjunction of the two words PARTition and EDitor ) is a free partition editor , used for creating , destroying , resizing , checking , and copying partitions , and the file systems on them .
Simplified: GNU Parted is a free computer program for creating , destroying , resizing , checking , and copying partitions , and the file systems on them .