Ubuntu: Highly Compressed 10mb

Toybox is BSD-licensed and smaller than BusyBox for basic commands. Saves ~200 KB.

| Component | Compressed size | |-----------|----------------| | Rootfs.squashfs | | | Linux kernel (tiny config) | 3.4 MB | | Initramfs wrapper | 2.2 MB | | Total disk image | ≈7.7 MB | ubuntu highly compressed 10mb