Create new DOS partition table (again) Create 1st primary at the end of device ---layout---------- Disk : 20 MiB, 20971520 bytes, 40960 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / bytes Disklabel type: dos Disk identifier: Device Boot Start End Sectors Size Id Type 1 20000 40959 20960 10.2M 83 Linux ------------------- Create 2nd primary at the begin of device Welcome to fdisk . Changes will remain in memory only, until you decide to write them. Be careful before using the write command. Command (m for help): Partition type p primary (1 primary, 0 extended, 3 free) e extended (container for logical partitions) Select (default p): Partition number (2-4, default 2): First sector (2048-19999, default 2048): Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-19999, default 19999): Created a new . Command (m for help): The partition table has been altered. Syncing disks. ---layout---------- Disk : 20 MiB, 20971520 bytes, 40960 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / bytes Disklabel type: dos Disk identifier: Device Boot Start End Sectors Size Id Type 1 20000 40959 20960 10.2M 83 Linux 2 2048 19999 17952 8.8M 83 Linux Partition table entries are not in disk order. -------------------