What Is The Difference Between "i386" And "i686" Packages?

Issue

  • What is the difference between "i386" and "i686" packages?
  • What "i386", "i586", "i686" means in package names?
  • Why glibc is installed with "i686" architecture where as all other packages installed with "i386" architecture?

Environment

  • Red Hat Enterprise Linux x86 (32 bit)

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Tag » Architecture I686 I386