Operating Systems
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The 6 Fundamental Ways Users and Programs Interact Through the Terminal
- January 12, 2026
- 9 min read
- Programming concepts , Operating systems
Discover the six essential ways programs and users communicate through the terminal. This beginner-friendly guide covers stdin, stdout, stderr, …
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Beyond 127.0.0.1: You Own 16 Million Loopback Addresses
- December 29, 2025
- 5 min read
- Operating systems
Many developers use localhost and 127.0.0.1 interchangeably, assuming loopback is limited to a single address. However, the IPv4 specification …
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The 1ms Lie: Why sleep() Breaks Real-Time Code—Resolution & Jitter Fixed
- October 13, 2025
- 9 min read
- Programming concepts , Operating systems , Rust programming , Python programming
If you’ve ever built a real-time system, a data simulator, or a game loop, you’ve tried using sleep() to control timing. And if …
How a Program Binary Becomes a Running Process
- April 21, 2025
- 12 min read
- Operating systems , Programming concepts
Have you ever stopped to think about what really happens when you run a program? Not just clicking “Run” or executing a command in the …
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