Systems Programming & OS Fundamentals

27 interview prep topics with adaptive MCQ tests.

C++ Memory Management
C++ memory management remains a cornerstone of high-performance systems programming in 2026. Unlike garbage-collected…
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CUDA Programming Basics
CUDA (Compute Unified Device Architecture) programming is the industry standard for general-purpose computing on NVIDIA…
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Go Channels
Go channels are the fundamental primitive for communication and synchronization between goroutines, embodying the 'Do…
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Go Concurrency Patterns
Go concurrency patterns are the cornerstone of building high-performance, scalable distributed systems in Go. In 2026,…
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Go Error Handling Patterns
Go error handling is a fundamental aspect of the language, defined by its explicit 'error as value' philosophy. Unlike…
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Go Goroutines
Goroutines are the fundamental unit of concurrency in Go, representing lightweight, independently executing functions…
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Go Interfaces and Structs
Go interfaces and structs are the fundamental building blocks of Go's type system, enabling a unique approach to…
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Memory-Mapped Files (mmap)
Memory-Mapped Files (mmap) represent a fundamental technique in systems programming that allows a process to map a file…
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Rust Async and Tokio
Rust Async and the Tokio runtime represent the standard for high-performance, memory-safe asynchronous programming in…
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Rust Error Handling: Result and Option
In Rust, error handling is a first-class citizen, moving away from traditional exception-based control flow toward…
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Rust Lifetimes
Rust lifetimes are a compile-time mechanism ensuring that all references remain valid for the duration of their usage,…
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Rust Ownership and Borrowing
Rust ownership and borrowing form the foundational pillars of the language's memory safety guarantees without a garbage…
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Rust Smart Pointers: Box, Rc, Arc
Rust smart pointers are data structures that act as wrappers around raw pointers, providing additional metadata and…
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Rust Traits and Generics
Rust Traits and Generics form the bedrock of the language's type system, enabling high-performance abstraction without…
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Zero-Copy I/O
Zero-Copy I/O refers to techniques that allow a system to transfer data between storage or network interfaces and…
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C++ Object-Oriented & STL
Mastering C++ Object-Oriented and Standard Template Library (STL) interview questions is a mandatory milestone for any…
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C++ Standard Template Library (STL)
The C++ Standard Template Library (STL) represents the foundation of modern high-performance systems programming, data…
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CPU Cache Coherency & False Sharing
CPU Cache Coherency and False Sharing represent the absolute frontier of hardware-aligned systems programming and…
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Go (Golang) Language Core
Mastering Go (Golang) language core interview questions requires a rigorous understanding of the language’s runtime…
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Rust Language Core
The Rust programming language has firmly established itself as the modern standard for high-performance, memory-safe…
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File Descriptors and I/O Multiplexing (epoll)
File Descriptors (FDs) and I/O Multiplexing, particularly `epoll` on Linux, are foundational concepts for building…
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Linux Networking Basics: iptables and Namespaces
Linux networking basics, encompassing concepts like network namespaces and firewall management with iptables (or its…
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Process vs Thread
The distinction between processes and threads is a foundational concept in operating systems, critical for any software…
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Virtual Memory and Paging
Virtual memory and paging are foundational concepts in modern operating systems, providing the abstraction layer that…
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Linux I/O Models
Understanding Linux I/O models is a foundational requirement for backend engineers, systems programmers, and…
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Linux system calls process spawning
The mechanics of Linux system calls and process spawning form the absolute bedrock of operating system engineering,…
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Socket Programming
Socket programming and network sockets form the foundational bedrock of all inter-process communication over computer…
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