Sitemap - 2025 - Low-Level Lore
How Does the Memory Management Unit (MMU) Work with the Unix/Linux Kernel?
Why You Can't Directly Move Data Between Two Memory Addresses in x86 Assembly and How to Do It
Fork() and File Descriptors: The Unix Gotcha Every Developer Should Know
Storage Wars: Object vs Block vs File Systems Under the Hood
How SSH Multiplexing Reuses Master Connections for Efficient Sessions
The Linker's Detective Work: How Symbol Resolution Turns Code Fragments Into Running Programs
Why Packet Data Not Need a Trailer/Footer While a Frame Needs It
Bit by Bit: Why Variable Sizes Shape Your Code
GRPO - Group Relative Policy Optimization: How DeepSeek Trains Reasoning Models
From Text to Numbers: How Computers Convert Strings to Integers Under the Hood
The Hidden Cost: Physical Memory Requirements of Virtual Memory Systems
Is It Possible to Lock a Process's Memory in Linux to Avoid Swapping?
Do Page Tables and PCBs Swap Out with a Process?
Why Processor Bit Counts Are Powers of 2?
How the CPU Translates Virtual Addresses to Physical Addresses
Understanding Linux 32-bit Memory Layout and Page Table Storage
Understanding Memory Allocation in C++
Understanding the .bss Segment in C Programming
Understanding ELF File Layout in Memory
How the Operating System Manages Blocking I/O
Mastering Memory Management with malloc and free in C
Understanding "Memory Allocated at Compile Time" in C and C++
Understanding Where Pointers and Dynamic Variables Reside in Memory
From Source to Execution: Explaining the C/C++ Compilation Journey