What should be the disk space of the Ubuntu to be on safer side?

[Akito]

Ready for the Switch

If I were you, I would do the following in exactly the order shown: NOTE: All this assumes GPT partition tables + EFI-only boot on your computers. linux-swap @ 12GB /boot : ext4 @ 1GB / : ext4 @ 30GB /home : ext4 @ 30GB /usr : ext4 @ 30GB /usr/local : ext4 @ 5GB unallocated space @ 121GB /boot/efi : fat32 @ 0.3GB Explanation: It has to be at the beginning of the disk, to improve performance. Due to more than enough space on your disk, I chose to set the swap partition to 3 times the availa…