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man <command>. And if people are in the command line often enough, they do memorize the actual commands. They really, really do.

• wtallis 10y ago
  man pages don't really solve the discoverability problem.
  • jwilcoxson 10y ago
    Isn't this just layering the discoverability issue? It's another set of commands to learn, when you should be learning the real commands.
  • mymosh 10y ago
    Isn't that what apropos is for?