The Layer Below

35 posts

  1. 01What Happens When You Press a Key ~13 minutes 4 img
  2. 02Your String is Not What You Think It Is ~13 minutes 6 img
  3. 03File Descriptors: The Numbers Behind Everything ~13 minutes 3 img
  4. 04What Actually Happens When You Read a File ~13 minutes 4 img
  5. 05Signals: The Kernel's Text Messages ~12 minutes 2 img
  6. 06Your Process Doesn't Exist Alone ~11 minutes 3 img
  7. 07Your DNS is Lying to You ~13 minutes 2 img
  8. 08What "Connected" Means in TCP ~10 minutes 3 img
  9. 09The Event Loop You're Already Using ~11 minutes 3 img
  10. 10malloc Is Not Free ~13 minutes 3 img
  11. 11How Your Python Code Actually Runs ~14 minutes 4 img
  12. 12The Parallel Lanes Nobody Uses ~13 minutes 3 img
  13. 13What Happens When You Plug Something In ~18 minutes 5 img
  14. 14How a Viking King Ended Up in Your Earbuds ~19 minutes 4 img
  15. 15What Is RAM, Actually? ~19 minutes 4 img
  16. 16The Invisible Negotiation Between Your Laptop and the Air ~19 minutes 5 img
  17. 17Why `ls -l` Is Slow: Inodes, Directory Entries, and the Filesystem Layer ~14 minutes 3 img
  18. 18The Dumbest Smart Tool You Use Every Day ~19 minutes 4 img
  19. 19The Lock You Didn't Know You Were Taking ~15 minutes 5 img
  20. 20The Handshake You Never See ~17 minutes 4 img
  21. 21Your Container Is a Lie ~13 minutes 5 img
  22. 22The Linker: Why Argument Order Matters and Everything Else They Never Told You ~15 minutes 4 img
  23. 23Your Program Has a Housekeeper You Never Hired ~17 minutes 5 img
  24. 24The Protocol That Keeps Reinventing Itself ~15 minutes 4 img
  25. 25The 30-Year Migration Nobody Finished ~16 minutes 4 img
  26. 26The Tunnel You Type Through ~15 minutes 4 img
  27. 27The Bug That Won't Die ~15 minutes 5 img
  28. 28What Actually Happens When You Query a Database ~17 minutes 5 img
  29. 29The Theorem That Decides Who Gets Lied To ~17 minutes 4 img
  30. 30The Paper That Made Distributed Systems Possible ~16 minutes 4 img
  31. 31The Algorithm That Won by Being Obvious ~15 minutes 8 img
  32. 32The Two Papers That Created Big Data ~16 minutes 4 img
  33. 33The Paper That Broke Your Database Assumptions ~14 minutes 4 img
  34. 34The Database That Cheated Time ~15 minutes 4 img
  35. 35io_uring: The Linux I/O Revolution Most Developers Haven't Heard Of ~15 minutes 5 img