Subhobhai943/SUB-OS
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docs: Update README.md with SUB Language in-kernel VM, native .sb modules, and applet matrix

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subhobhai943 committed 2026-08-18 19:52:27 +05:30
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@@ -11,6 +11,7 @@
[![Architectures](https://img.shields.io/badge/arch-x86__64%20%7C%20aarch64%20%7C%20armv8i-blue.svg?style=flat-square)]()
[![Kernel](https://img.shields.io/badge/kernel-Modular%20Monolithic-red.svg?style=flat-square)]()
[![SUB Language](https://img.shields.io/badge/sub--lang-Native%20%2B%20In--Kernel%20VM-blueviolet.svg?style=flat-square)]()
[![Rust Layer](https://img.shields.io/badge/rust-Rust--for--SUB--OS%20no__std-orange.svg?style=flat-square)]()
[![Configuration](https://img.shields.io/badge/config-Linux%20Kconfig%20lxdialog%20TUI-cyan.svg?style=flat-square)]()
[![Version](https://img.shields.io/badge/version-v0.2.0--lts-purple.svg?style=flat-square)]()
@@ -19,12 +20,20 @@
[![Networking](https://img.shields.io/badge/network-TCP%2FIP%20%7C%20SSHD%20%7C%20HTTPD%20%7C%20NetFilter-green.svg?style=flat-square)]()
[![License](https://img.shields.io/badge/license-MIT-lightgrey.svg?style=flat-square)](LICENSE)
**SUB-OS** is a multi-architecture, production-grade modular monolithic operating system kernel engineered in C, Assembly, and **freestanding bare-metal Rust (`no_std`)**. Built for high performance, memory safety, modularity, and Unix/Linux compatibility, SUB-OS supports **64-bit x86 (`x86_64`)**, **64-bit ARM (`aarch64`)**, and **32-bit ARM (`armv8i` / AArch32)** targets.
**SUB-OS** is a multi-architecture, production-grade modular monolithic operating system kernel engineered in **C, Assembly, freestanding bare-metal Rust (`no_std`), and the custom SUB Language (`.sb`)**. Built for high performance, memory safety, modularity, and Unix/Linux compatibility, SUB-OS supports **64-bit x86 (`x86_64`)**, **64-bit ARM (`aarch64`)**, and **32-bit ARM (`armv8i` / AArch32)** targets.
---
## 🌟 Key Architecture & Capabilities
- 🔮 **SUB Programming Language Kernel Signature & In-Kernel VM (`sub/` & `kernel/sub/`)**:
- **Native `.sb` Kernel Modules**: Key subsystems written directly in the custom SUB language:
- [`sub/signature.sb`](file:///home/subhobhai943/Github/SUB-OS/sub/signature.sb): Kernel identity, OS signature, and author credits.
- [`sub/power_governor.sb`](file:///home/subhobhai943/Github/SUB-OS/sub/power_governor.sb): Dynamic CPU P-state thermal scaling and frequency/voltage calculations.
- [`sub/benchmark.sb`](file:///home/subhobhai943/Github/SUB-OS/sub/benchmark.sb): Recursive Fibonacci and integer matrix benchmark algorithms.
- [`sub/easter_egg.sb`](file:///home/subhobhai943/Github/SUB-OS/sub/easter_egg.sb): Interactive kernel quotes and easter eggs.
- **In-Kernel SUB Virtual Machine & AST Interpreter (`subi`)**: Run `.sb` scripts or inline expressions live from the shell (`subi file.sb` or `subi -e "var x=10; print(x*2)"`).
- **Interactive Userland Commands**: `subinfo`, `subi`, `subpower`, `subbench`, `subquote`.
- 🦀 **"Rust for SUB-OS" Memory-Safe Kernel Layer (`rust/src/`)**:
- **Freestanding Bare-Metal Rust**: Compiled with `rustc 1.75+` in pure `no_std` mode with static FFI bindings.
- **Memory-Safe Cryptography**: RFC-8439 ChaCha20 stream cipher, CSPRNG entropy source, FIPS-202 SHA3-256 (Keccak-f[1600]), and FIPS-197 AES-128.
@@ -64,10 +73,10 @@
- **io_uring** lockless asynchronous Submission/Completion ring buffers.
- Preemptive multi-tasking scheduler with Round-Robin quantum and spinlock synchronization.
- Systemd-style unit manager (`systemctl`), cron background scheduler (`crond`), and RFC 5424 Syslog engine.
- 🧰 **LazyBox Userland Suite (75+ Linux & Rust Applets)**:
- 🧰 **LazyBox Userland Suite (80+ Linux, Rust & SUB-Lang Applets)**:
- Interactive shell with history, quote-aware tokenization, tab autocompletion, ANSI cursor editing, and script runner (`sh`).
- GNU-compatible **Nano** visual text editor.
- Full utilities: `ls`, `cat`, `touch`, `mkdir`, `rm`, `cp`, `pwd`, `cd`, `grep`, `wc`, `head`, `tail`, `stat`, `df`, `mkfs.vfat`, `hexdump`, `neofetch`, `uname`, `free`, `uptime`, `top`, `ps`, `dmesg`, `netstat`, `ifconfig`, `ping`, `curl`, `ssh`, `tts`, `alsamixer`, `sensors`, `rustinfo`, `chacha20`, `sha3sum`, `cryptobench`, `fdisk`, `rfilter`, `dcache`, `watchdog`, `jsonquery`, and more.
- Full utilities: `ls`, `cat`, `touch`, `mkdir`, `rm`, `cp`, `pwd`, `cd`, `grep`, `wc`, `head`, `tail`, `stat`, `df`, `mkfs.vfat`, `hexdump`, `neofetch`, `uname`, `free`, `uptime`, `top`, `ps`, `dmesg`, `netstat`, `ifconfig`, `ping`, `curl`, `ssh`, `tts`, `alsamixer`, `sensors`, `rustinfo`, `chacha20`, `sha3sum`, `cryptobench`, `fdisk`, `rfilter`, `dcache`, `watchdog`, `jsonquery`, `subinfo`, `subi`, `subpower`, `subbench`, `subquote`, and more.
---
@@ -76,9 +85,12 @@
```text
+------------------------------------------------------------------------------------+
| USERLAND & SYSTEM SUITE |
| Interactive Shell | GNU Nano | Script Runner (sh) | LazyBox Suite (75+ Tools) |
| Interactive Shell | GNU Nano | Script Runner (sh) | LazyBox Suite (80+ Tools) |
| Micro HTTP Server | SSH 2.0 Daemon | Service Manager (systemctl) | Syslog Engine |
+------------------------------------------------------------------------------------+
| SUB LANGUAGE IN-KERNEL VM & MODULES |
| subi Interpreter | OS Signature | CPU Power Governor | Recursive Math Benchmark |
+------------------------------------------------------------------------------------+
| RUST-FOR-SUB-OS MEMORY-SAFE SUBSYSTEM |
| ChaCha20 CSPRNG | SHA3-256 Keccak | AES-128 | GPT/MBR Parser | NetFilter Matcher |
| VFS DCache Table | Kernel Health Watchdog | Zero-Copy JSON | Hardware Sensors |
@@ -177,16 +189,16 @@ make run-gui
---
## 🧰 LazyBox Command Matrix (75+ Utilities)
## 🧰 LazyBox Command Matrix (80+ Utilities)
| Category | Commands Included |
|---|---|
| **Core & Shell** | `lazybox`, `sh`, `echo`, `env`, `export`, `whoami`, `id`, `date`, `cal`, `jsonquery` |
| **Core & Shell** | `lazybox`, `sh`, `echo`, `env`, `export`, `whoami`, `id`, `date`, `cal`, `jsonquery`, `subi` |
| **Filesystem & Edit** | `nano`, `ls`, `cat`, `touch`, `mkdir`, `rm`, `cp`, `pwd`, `cd`, `wc`, `head`, `tail`, `stat`, `df`, `mkfs.vfat`, `grep`, `hexdump`, `dcache` |
| **Networking & Servers** | `ifconfig`, `ping`, `arp`, `dhclient`, `nslookup`, `netstat`, `iptables`, `rfilter`, `httpd`, `sshd`, `curl`, `wget`, `ssh` |
| **Hardware & Storage** | `lspci`, `lsdev`, `lsblk`, `fdisk`, `hdparm`, `sensors`, `speaker`, `mouse`, `alsamixer`, `tts`, `virtinfo` |
| **Security & Cryptography** | `su`, `passwd`, `useradd`, `certcheck`, `capsh`, `ipcs`, `chacha20`, `sha3sum`, `cryptobench` |
| **System & Watchdog** | `systemctl`, `service`, `crontab`, `logger`, `logread`, `watchdog`, `rustinfo` |
| **SUB Language & System** | `subinfo`, `subpower`, `subbench`, `subquote`, `systemctl`, `service`, `crontab`, `logger`, `logread`, `watchdog`, `rustinfo` |
| **Kernel & Tracing** | `lsmod`, `insmod`, `rmmod`, `slabinfo`, `trace`, `unshare`, `io_uring_test` |
| **Diagnostics & Metrics**| `neofetch`, `uname`, `free`, `uptime`, `top`, `htop`, `ps`, `dmesg`, `vmstat`, `iostat`, `calc`, `matrix` |
| **System Control** | `clear`, `help`, `sleep`, `reboot`, `shutdown`, `poweroff`, `tty` |