The Linux Mint operating system (without additional software or personal data) takes roughly 15GB, so give this partition a decent size (100GB or more). ext4 is recommended. It is the most popular Linux filesystem.

How much space does Linux Mint take up?

A Linux Mint operating system takes about 15GB and grows as you install additional software. If you can spare the size, give it 100GB. Keep most of your free space for the home partition.

How much GB is Linux?

The base install of Linux requires about 4 GB of space.