LeFantome parent
DSL uses the latest Debian kernel. It is not any smaller than Ubuntu.
Yeah it is.
It fits into under 700 MB and runs in well under 100 MB of RAM. The default Ubuntu image is about 6 GB now and takes a gig of RAM.
Have you not tried it? I have:
https://www.theregister.com/2024/02/14/damn_small_linux_retu...
The GUI is usually the problem. I have booted Xubuntu and it's still slow. Slow systems with older GPUs simply can't keep up with newer desktops. Most of the times I need a terminal but a lightweight desktop can help if I quickly want to open a browser and search something so that I can copy past more complicated commands.
It is still slow.
Try Alpine. It's amazing.
Xubuntu 22.04 took nearly 10 GB of disk and half a gig of RAM. I measured it:
https://www.theregister.com/2022/08/18/ubuntu_remixes/
Alpine takes 1.1 GB of disk and under 200 MB of RAM.
https://www.theregister.com/2025/12/05/new_lts_kernel_and_al...
Both running a full Xfce $CURRENT desktop, in a Virtualbox VM.