# growpart > Extend a partition in a disk or disk image to fill available space. > More information: . - Extend partition `n` from `sdX` to fill empty space until end of disk or beginning of next partition: `growpart {{/dev/sdX}} {{n}}` - Show what modifications would be made when growing partition `n` in a disk image: `growpart {{[-N|--dry-run]}} {{/path/to/disk.img}} {{n}}`