An eye, or a pyramid. It depends onto the viewer.
“Because you wanted to..?”

How to install an OS with a ROOTFS tarball / “Mixed idea!”

Basically, what this guide will be, as stated in the header above, is on how to install an operating system, in this case Chimera Linux, from a root filesystem tarball. You will be needing a place to install it to, as well as a general knowledge about Linux and the packages that are required for it to work.

Partitioning

The guessed partitions from now on will be as such: 

device:
	device1, '/boot' - 1G
	device2, '/'     - 25% // Give it a reasonable size: if unsure, do 25% of the device.
	device3, '/home' - 100%
It will be up to you on how to partition, although I personally recommend doing so via gdisk(1). Before doing the process, it is also recommended to overwrite device with zeroes, or, to make sure nothing is recoverable, /dev/urandom two times, then zeroes. I would like you to back up any important data before any of this, too.

Worth noting, if you plan on using ZFS (since Chimera supports it), maybe do: 

device:
	device1, '/boot' - 1G
	device2, '/'     - 100% // ZFS will do the rest, so just give it all.

Formatting

The filesystem you choose for the partitions of device don't matter much, although it is generally recommend (by I) that device1 is formatted as FAT32. This is so you have no need for the EFI partition. Mounting will be up to you, as there isn't much to note about it.

Subhe., “...with ZFS!”

In the case you want ZFS and don't know crap about formatting with it (I'm in the same boat, don't worry!)

Getting the actual ROOTFS

Download the tarball, extract it in mounted device2: that should be all.

chroot(8)ing into it

Although you could chroot into it by running the actual chroot(8) command, I recommend you to run chrooting utility your distribution provides. For example, Chimera Linux provides chimera-chroot, while Artix Linux provides artix-chroot.

The Rest

This will all depend on you, but, for the sake of this guide, I will be using the following software: 

the Limine boot loader,
the linux-stable kernel provided in Chimera's repositories,
the Internet Wireless Daemon (mostly known as “iwd”),
and the dhcpcd DHCP daemon.
Of noting: Chimera Linux provides meta-packages containing required packages for certain functions. An example of this would be base-full-core. I recommend reading the documentation on so, as well as looking for the packages' dependencies.

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