OpenBSD vs Ubuntu
OpenBSD and Ubuntu compared on the facts that matter: release model, desktop, package management, init system, memory floor and installation size.
Side by side
| OpenBSD | Ubuntu | |
|---|---|---|
| Family | bsd | deb |
| Release model | Versioned releases | Versioned releases |
| Desktop | — | GNOME |
| Package manager | pkg_add (TGZ) | APT (dpkg) |
| Init system | rc.d | systemd |
| Immutable root | No | No |
| Wayland by default | No | Yes |
| Minimum RAM | — | 6 GB |
| ISO size | 794 MB | 6.2 GB |
| Latest kernel | — | 7.3 |
| Releases archived | 18 | 56 |
| Latest release | 20 October 2026 | 15 October 2026 |
What differs
Init system
OpenBSD boots with rc.d; Ubuntu uses systemd.
Package manager
OpenBSD ships pkg_add (TGZ); Ubuntu ships APT (dpkg).
Shared traits
Both systems share more than they differ: the table above lines up the current facts side by side.
Verdict
Both are solid choices for their goals — the practical differences are in the table and the points above. Full range tables for each are on their distro pages.
{$AFFBLOCK}FAQ
Which one is easier for beginners?
Check the installer row and minimum RAM: a graphical installer with a low memory floor is the friendlier first step.
Where do the numbers come from?
From the current release snapshots of each distribution archived by the linux2u.ru team.