ZenithOS
The Zenith Operating System is a modern, professional fork of the 64-bit Temple Operating System, designed to survive societal collapse.
Install / Use
/learn @PasqualeLivecchi/ZenithOSREADME
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ZenithOS
The Zenith Operating System is a modernized, professional fork of the 64-bit Temple Operating System.
Features in development include:
- Fully-functional AHCI support.
- ~~VBE support~~ 32-bit color VBE graphics.
- A new GUI framework in 32-bit color.
- Compiler optimizations for speed improvements.
- SSE2+ instruction support in compiler and assembler.
- Network card drivers and a networking stack.
Getting started
Every commit contains a "Zenith-latest-XXXX-XX-XX-XX-XX_XX_XX.iso" in the root of master, which is a timestamped ISO build of that commit. It might not be stable. See the "Releases" page for the latest stable release.
Contributing
This basically a read-only repository. Everything happens inside the OS, as intended by Terry. After you've installed the latest release in a VM, you can make changes to the source. Once you've made your changes, you can make copies of the relevant files and put them into a folder, along with some kind of notes as to what you've done as a DolDoc document. You can then make a RedSea ISO file out of that folder by running RedSeaISO("MyChanges.ISO", "/Home/Folder");. Mount the VM hard drive in whatever OS-specific way you have to, grab the ISO, and send it my way; a pull request attachment would work fine.
Background
In around November of 2019, I decided I wanted to continue Terry's work in a direction that would make it a viable operating system while still keeping the innovative, and frankly, divine-intellect ideas and strategies intact.
At first, I was developing exclusively inside a VM and occasionally generating ISOs as official releases. This was not a good approach, as things broke and I had no way of telling what changes caused what. So I decided to scrap that and restart from scratch.
Releases of the "old" Zenith are currently archived on the mega.nz website:
Changes include:
- 60FPS.
- VBE graphics with variable resolutions.
- 440Hz 'A' tuning changed to 432Hz.
- HolyC -> CosmiC.
- System-wide renaming for clarity
- No weird shift-space mechanism
- Caps Lock is reassigned as Backspace
- Reformatted code for readability
Screenshots
32-bit color!
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Security Score
Audited on Dec 10, 2025