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openSuSE Suggested Partitioning
The next screen is the initial suggestion for disk paritioning, automatically determined by the openSuSE installation process. I mentioned at the beginning that most Linux distributions will do this automatically; if I had not manually shrunk the Windows C: partition, the Linux installer would have done that at this point also.
However, I have found that the installers are often overzealous in reducing Windows, leaving very little free space in the C: partition. This can, of course, be corrected at this point as well, but if I am going to have to monkey with the specific values anyway, I would rather just do it all in advance.
The installer will recognize the EFI Boot partition and set it to be mounted to the correct location, without reformatting. If there is a linux-swap partition already (as I created above), it will recognize and use that.
It will create new partitions for the root file system and home file system. The root will be allocated a minimum size, and the rest of the free space on the disk will be allocated to the home file system.
If you don't want or need a separate home file system, just un-check that box and the suggested layout will be updated, home will be removed and the free space will be added to the root file system.
More advanced users cal select btrfs for the root and home file systems rather then ext4, and can choose to use LVM disk management rather than traditional partitions (both of these are beyond the scope of this brief overview). For many users the suggested layout will be acceptable, but control freaks can click Edit Partition Setup to adjust it.