Operating System In 1000 Lines

Operating System In 1000 Lines | Awesome Repos

Features

Kernel Development - Provides a minimal kernel implementation to demonstrate core architectural principles like paging and scheduling.
x86 Kernel Implementations - Implements a minimal x86 kernel demonstrating core principles such as memory paging and interrupt handling.
Monolithic Kernels - Implements a monolithic kernel where all core operating system services run in the privileged kernel space.
Educational Kernel Projects - Serves as an educational project demonstrating the implementation of threading, scheduling, and memory protection.
Context Switching Implementations - Provides the capability to swap execution states between tasks to allow shared CPU access.
Educational Kernel Thread Implementations - Implements a multitasking system with kernel threads for educational demonstration of process switching.
Kernel Shells - Ships a text-based command line shell for user interaction and kernel command execution.
Preemptive Multitasking Kernels - Implements a kernel that switches process contexts between threads to enable shared CPU access.
Privilege Level Management - Manages processor execution levels to isolate user-mode applications from privileged kernel operations.
Context Switching Mechanisms - Implements CPU execution state swapping to enable preemptive multitasking across multiple threads.
User-Mode Execution Environments - Implements a restricted privilege level for applications to prevent interference with kernel operations.
Virtual Memory Management - Provides a system for managing virtual memory and mapping virtual addresses to physical memory locations.
Command Line Shells - Implements a custom command-line interpreter for interacting with the underlying kernel.
Raw Disk Drivers - Implements a hardware interface for raw read and write operations on physical storage devices.
Disk Block I/O - Implements low-level synchronous data transfers between memory buffers and disk hardware controllers.
Disk Device Drivers - Provides low-level drivers for raw read and write operations on physical storage hardware.
Hardware Interfacing and Drivers - Implements drivers that facilitate direct communication between the kernel and physical disk hardware.
Kernel Component Debugging - Provides diagnostic workflows for troubleshooting driver-level code and kernel-mode memory management.
File System I/O - Provides the fundamental kernel capability to perform read and write operations on a structured file system.
Low-Level Debuggers - Implements low-level debugging tools to identify errors in boot sequences and memory paging.
Raw Block Device Writing - Implements the ability to write binary data directly to physical disk blocks, bypassing the file system.

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Operating System In 1000 Lines

Features

Open-source alternatives to Operating System In 1000 Lines

mit-pdos/xv6-public

yourtion/30dayMakeOS

rust-embedded/rust-raspi3-OS-tutorials

remzi-arpacidusseau/ostep-projects

Star history

Open-source alternatives to Operating System In 1000 Lines

mit-pdos/xv6-public

yourtion/30dayMakeOS

rust-embedded/rust-raspi3-OS-tutorials

remzi-arpacidusseau/ostep-projects