cutiyar@cutiyar-physic:~$ sudo fdisk

Usage:
 fdisk [options] <disk>    change partition table
 fdisk [options] -l <disk> list partition table(s)
 fdisk -s <partition>      give partition size(s) in blocks

Options:
 -b <size>                 sector size (512, 1024, 2048 or 4096)
 -c                        switch off DOS-compatible mode
 -h                        print help
 -u <size>                 give sizes in sectors instead of cylinders
 -v                        print version
 -C <number>               specify the number of cylinders
 -H <number>               specify the number of heads
 -S <number>               specify the number of sectors per track

cutiyar@cutiyar-physic:~$