What App Has the Most Lines of Code?

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Software Code Statistics

  • The Android operating system has 12-15 million lines of code.
  • The Linux kernel has 27.8 million lines of code.
  • Debian Linux distribution has 419 million lines of code.

Code Comparison Across Systems

  • An average iPhone app has under 50,000 lines.
  • All Google services total 2 billion lines.
  • Microsoft Windows XP has 45 million lines.
  • Mac OS X has over 86 million lines.
  • MS-DOS had 4,000 lines and Windows NT 2 million.

Software Code Complexity

  • Some large software packages contain millions or billions of lines written by teams.
  • For proprietary software, the source code is usually secret.
  • With open-source programs, companies may disclose code size.

Code Quantity in Various Applications

  • The control software for a U.S. military drone has 3.5 million lines.
  • Code behind machines like fighter jets and video games falls between smartphone apps and operating systems.
  • A million printed lines would be 18,000 pages.
  • That’s more than old technologies like the Space Shuttle, a pacemaker or Quake 3 game engine.
  • But it’s less than what runs modern software.

Understanding Code Volume

  • The range varies from small projects consisting of a few hundred to a few thousand lines of code.

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