$ fdisk /dev/sdb

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Welcome to fdisk (util-linux 2.34).

Changes will remain in memory only, until you decide to write them.

Be careful before using the write command.

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Command (m for help):

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#enter g to create a new gpt partition table

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Command (m for help): g

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Created a new GPT disklabel (GUID: 4649EE36-3013-214E-961C-51A9187A7503).

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# Run the n command to create a new partition

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Command (m for help): n

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Partition number (1-128, default 1): #hit enter

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First sector (2048-500118158, default 2048): #hit enter

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# for the last sector, use +symbol and then enter the size of the partition in 

# kibibytes (K), mebibytes (M), gibibytes (G), tebibytes (T), or pebibytes (P).

Last sector, +/-sectors or +/-size{K,M,G,T,P} (2048-500118158, default 500118158): +100G

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Created a new partition 1 of type 'Linux filesystem' and of size 100 GiB.

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