⚙️ Sys Orbit

⚙️ C

🖥️ Rust

🧠 Memory

🔧 Syscalls

⚙️ Systems Programming

C • Rust • Memory Management • Pointers • System Calls • Kernel • Embedded • Performance

Master the art of low-level programming — from C and Rust to memory management, system calls, kernel interfaces, and building high-performance system software.

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Systems Programming Concepts & Techniques

Systems Programming Basics

What is systems programming, system layers.

C Language Basics

Types, functions, arrays, control flow.

Advanced C Programming

Bitwise operations, macros, volatile.

C Preprocessor

Macros, includes, conditional compilation.

Undefined Behavior in C

UB, nasal demons, safe practices.

Pointers & References

Pointer arithmetic, function pointers, arrays.

Dynamic Memory Management

malloc, calloc, free, memory pools.

Memory Layout

Stack, heap, data, text segments.

Memory Allocation Internals

Allocator design, fragmentation.

Memory Barriers & Ordering

CPU reordering, fences, atomics.

System Calls

Kernel interface, syscall numbers, wrappers.

File I/O

open, read, write, lseek, mmap.

Process Management

fork, exec, wait, signals.

Pipes & IPC

Pipes, FIFOs, message queues.

Shared Memory

shmget, shmat, synchronization.

Rust Basics

Ownership, borrowing, lifetimes.

Ownership & Borrowing

Rules, references, slices.

Lifetimes in Rust

Lifetime elision, annotations.

Unsafe Rust

Raw pointers, FFI, unsafe blocks.

Kernel Modules

Linux kernel modules, LKMs.

Kernel Development

Kernel API, device drivers.

Device Drivers

Character, block, network drivers.

Kernel Debugging

kgdb, kprobes, ftrace, eBPF.

Threads & Concurrency

pthreads, thread safety, data races.

Mutexes & Locks

pthread_mutex, spinlocks, RW locks.

Lock-Free Programming

CAS, memory ordering, ABA problem.

Socket Programming

TCP, UDP, socket API, bind, listen.

Event-Driven Networking

epoll, kqueue, I/O multiplexing.

High-Performance Networking

Zero-copy, kernel bypass.

Assembly Language

x86-64, ARM, calling conventions.

Inline Assembly

GCC asm, constraints, extended.

ABI & Calling Conventions

SysV, ARM, x86, CDECL.

GCC & Clang

Compilation flags, optimization, linking.

Make & Build Systems

Makefiles, CMake, meson.

Linkers & Loaders

ELF, relocations, dynamic linking.

GDB Debugging

Breakpoints, watchpoints, backtrace.

Profiling & Performance

perf, valgrind, cachegrind.

Sanitizers

AddressSanitizer, UBSan, TSan.

Embedded Systems Programming

MCU, bare-metal, RTOS.

ARM Embedded Programming

STM32, ARM Cortex, peripherals.

Foreign Function Interface

Cython, ctypes, JNI.

Python C Extensions

Python C API, CPython, modules.

Buffer Overflow & Memory Safety

Stack overflows, heap overflows.

Security Mitigations

ASLR, DEP, stack canaries.

⚙️ Systems Programming Mastery Roadmap

🔰 Foundation

C basics, pointers, memory layout

📶 Core

Dynamic memory, syscalls, threads, Rust basics

🔥 Deep Dive

Kernel, lock-free, assembly, drivers, network

🏆 Frontier

Kernel debugging, embedded, sanitizers, eBPF

⚙️ Build, Optimize, Control — Master Systems Programming

From C to Rust, from kernel to embedded, learn to build high-performance system software.

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