Temple Operating System

🧩 1. Basic Information

Field	Description
OS Name	TempleOS
Developer	Terry A. Davis (USA)
First Released	2013 (final named version)
Latest Version	TempleOS 5.03 (2017, final by Terry)
License Type	Public Domain
Supported Platforms	x86-64 (runs only on 64-bit PCs)
Still Active?	⚠️ No new development (creator passed in 2018), but community preserves it

⚙️ 2. Kernel & Architecture

Kernel Type: Monolithic, written entirely by Terry in his own style

Architecture: Pure x86-64 — no support for 32-bit, ARM, or other platforms

No protected mode multitasking — runs in ring 0 for full speed (no user mode separation)

640x480 resolution, 16 color VGA graphics by design (to mirror early PC environments)

🌟 3. Key Features

Entire OS is a single developer’s creation, including kernel, compiler, editor, and even the shell

Uses a unique programming language called HolyC, a hybrid of C & C++ with custom features

Built-in text editor, file manager, command line, 2D & 3D graphics libraries

Includes “oracle” mode for random Bible verse output — Terry viewed TempleOS as a modern-day temple

Boots instantly, very small footprint (under 2 MB ISO)

📈 4. Version History & Important Milestones ✅

Version / Milestone	Year	Description
Early J Operating System	2003–2006	Predecessor to TempleOS, laid core design
LoseThos	2008	First named OS by Terry, focused on programming
Renamed to TempleOS	2013	Rebranded as a biblical project — “third temple prophecy”
TempleOS 5.03	2017	Last major release before Terry’s death
Community forks	2018±	Small patches & ports (like Mega64 OS), but no official continuation

🎯 5. Target Audience & Use Cases

Programming enthusiasts: experiment with low-level OS concepts & HolyC programming

Retro / hobby OS fans: see what a “from scratch” OS by one person looks like

Computer history researchers: unique piece of software culture

Note: not practical for daily use — designed mainly as an art/faith project

✅ 6. Pros & Cons

Pros	Cons
Incredibly small, fast, boots in seconds	No networking, USB, or modern driver support
Entire system is easily hackable in HolyC	Runs everything in ring 0 — no memory protection
Fascinating artistic & spiritual vision	Limited hardware compatibility (VGA only)
Public domain — fully free to explore	Single-user, single-task focus — no multitasking

🎨 7. UI Demo & Visuals

TempleOS text-based home screen (command shell & file navigator)

Demo of drawing a simple 3D cube or particles using HolyC’s built-in graphics

HolyC editor window side-by-side with direct compile & execution

Oracle feature printing random Bible verses in colorful text

Small games like “After Egypt” or ASCII maze generators

📦 8. Ecosystem & App Support

Entire system revolves around HolyC scripting, with easy inclusion of graphics and sounds

No third-party package system — every program is built from source inside the OS

Comes with dozens of example programs, games, demos, and Bible references coded by Terry

🔐 9. Security & Updates

Runs everything in ring 0 (kernel mode) for simplicity & speed — no protection from misbehaving programs

No internet stack — cannot be network-attacked (by design, Terry said God told him no networking)

Security handled by physical isolation: it’s an air-gapped, purely local environment

No updates after Terry’s last release; enthusiasts simply keep archiving the ISOs

🌍 10. Community, License & Development

License: Fully Public Domain (CC0 style) — anyone can modify, redistribute, build upon it

Enthusiasts maintain GitHub mirrors & ISO archives (for historical preservation)

Discussed heavily on places like /r/TempleOS, retro computing forums, YouTube channels

Occasionally used in OS design lectures as an example of personal operating system vision