{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreih54ktoi4yoxrwfa75vrhvfcite6luxdiy4lhb5erxufjuu5pd6eu",
    "uri": "at://did:plc:25rdn5elo5izoxrmtis34zuk/app.bsky.feed.post/3mpeqtf6i6222"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreibijaeqdh6fvlniaeqhinkyljnguzocxnzrz44t564ka53au6jvqa"
    },
    "mimeType": "image/webp",
    "size": 56722
  },
  "path": "/ionablokchain/writing-apps-for-iona-os-a-quick-start-guide-7n1",
  "publishedAt": "2026-06-28T19:20:34.000Z",
  "site": "https://dev.to",
  "tags": [
    "rust",
    "flux",
    "https://github.com/Ionablokchain/Iona-OS"
  ],
  "textContent": "IONA OS is not just a kernel. It's a complete platform for building sovereign applications.\n\nThis guide shows you how to write your first native application for IONA OS — from project setup to running it on the system.\n\n##  1. The Ecosystem\n\nIONA OS supports two languages for native application development:\n\n  * **Rust** — for performance-critical applications (system tools, drivers, 3D applications).\n  * **Flux** — for applications that leverage the AI, causal memory, and timeline features.\n\n\n\nBoth languages can interact with the kernel through a unified syscall interface.\n\n##  2. Writing a Rust Application\n\nCreate a new Rust project:\n\ncargo new my_app --bin\n\nAdd the IONA syscall crate to Cargo.toml:\n[dependencies]\niona-syscall = { git = \"https://github.com/Ionablokchain/Iona-OS\" }\n\n// src/main.rs\n\n#  ![no_std]\n\n#  ![no_main]\n\nuse iona_syscall::*;\n\npub extern \"C\" fn _start() -> ! {\n// Print a message to the console\nprintln!(\"Hello from IONA OS!\");\n\n\n    // Get system metrics\n    let cpu_temp = syscall::get_cpu_temp();\n    let uptime = syscall::get_uptime();\n\n    println!(\"CPU Temperature: {}°C\", cpu_temp);\n    println!(\"Uptime: {} seconds\", uptime);\n\n    loop {}\n\n\n}\n\nBuild and run:\n\ncargo build --target x86_64-unknown-iona\niona-run target/x86_64-unknown-iona/debug/my_app\n\n  1. Writing a Flux Application Flux is a language designed for describing intentions, timelines, and causal relationships.\n\n\n\nA simple Flux application:\n\nintention HelloWorld {\ntrigger: on_boot()\npriority: 0.5\nexecute: {\nsend(\"inner_voice\", \"Hello from Flux!\", 1s);\nlet temp = system::cpu_temp();\nsend(\"inner_voice\", \"CPU temperature is: \" ++ to_string(temp), 1s);\n}\n}\nFlux applications are compiled to bytecode and run on the Flux VM, which is integrated into the kernel.\n\n  1. AI Integration — The ai Syscall IONA OS applications can interact with the kernel-integrated AI.\n\n\n\nlet result = syscall::ai_query(\"What is the current system health?\");\nprintln!(\"AI says: {}\", result);\n\nThe AI can also be used for:\n\nai_suggest_governor() — suggests optimal CPU governor for current workload.\n\nai_optimize_memory() — suggests memory management changes.\n\nai_predict_crash() — predicts potential system failures.\n\n  1. GUI Applications IONA OS includes a native GUI compositor (glass). Applications can create windows, buttons, and text inputs.\n\n\n\nuse iona_gui::*;\n\nfn main() {\nlet window = Window::new(\"My App\", 800, 600);\nlet button = Button::new(\"Click me\");\nbutton.on_click(|| {\nprintln!(\"Button clicked!\");\n});\nwindow.add(button);\nwindow.run();\n}\n\nThe GUI compositor supports 3D acceleration via VirGL/Vulkan, animations, and themes.\n\n  1. What's Next This is just the beginning. IONA OS also supports:\n\n\n\nWASM — run WebAssembly applications in a sandbox.\n\nSystem services — background tasks, daemons, and services.\n\nBlockchain integration — native IONA Protocol transactions from your app.\n\nAll of this is available in the current version of IONA OS.\n\nResources\nGitHub: github.com/Ionablokchain\n\nWebsite: iona.zone\n\nDocumentation: (coming soon)\n\nIONA OS\n\nI'm building this alone. 13 years of research. Every line is written from scratch. And it works.",
  "title": "Writing apps for IONA OS — a quick start guide"
}