OS & Hardware Interaction
Master operating system interfaces, hardware control, and system-level programming from first principles
OS & Hardware Examples
Interface directly with operating systems and hardware components
System Resource Monitor
Monitor CPU, RAM, and network usage without using external libraries
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GPIO Pin Controller
Control GPIO pins on Raspberry Pi for hardware interfacing
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Custom Input Hooks
Create low-level keyboard and mouse input capture system
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Raw Disk Sector Reader
Read raw disk sectors and parse filesystem structures
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Custom Shell Implementation
Build a basic shell with command parsing, pipes, and job control
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Performance Profiler
Create a CPU profiler that samples program execution without external tools
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Device Driver Framework
Build a minimal device driver framework for custom hardware
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OS & Hardware Learning Path
Progress from basic system calls to advanced hardware control
System calls and process management
File system and disk operations
Hardware interfaces and GPIO control
Device drivers and kernel modules
Prerequisites
- Deep understanding of operating system concepts
- Proficiency in C programming and system calls
- Knowledge of computer architecture and assembly
- Understanding of hardware interfaces and protocols
- Experience with Linux kernel and system administration
What You'll Learn
- Direct hardware control and embedded programming
- System resource monitoring and optimization
- Low-level input/output programming
- Device driver development and kernel programming
- Performance profiling and system analysis
System Interfaces & APIs
Key system interfaces you'll work with
/proc filesystem
Linux process information
sysfs
Device and driver interface
inotify
File system event monitoring
epoll/kqueue
Event notification systems
mmap
Memory-mapped file I/O
ioctl
Device-specific operations
signal handling
Asynchronous event handling
ptrace
Process tracing and debugging
Target Hardware Platforms
Platforms and devices you'll learn to program
Raspberry Pi
ARM-based single-board computer
Arduino
Microcontroller development board
x86/x64
Standard PC architecture
ARM Cortex
Embedded ARM processors
⚠️ Safety & Responsibility
OS and hardware programming can affect system stability and security. Always test in isolated environments or virtual machines. Some examples require root privileges and should be used responsibly. Never run untested kernel code on production systems.
Ready to Control Hardware?
These OS and hardware examples are coming soon. Explore other advanced programming topics!