For (int i=0;i<10;i++) fork(); how many process will be created? - Quora
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FORKING AND THREADING IN RUBY | The Codest
The Limits of Copy-on-write: How Ruby Allocates Memory — brandur.org
Rails, Capybara.using_session(...), visiting a page, and having ruby-debug causes rspec suite seem to hang after run even though all specs passing - Stack Overflow
Processes, Threads and Ruby - Speaker Deck
Process.fork is not supported by this Ruby · Issue #2160 · middleman/middleman · GitHub
淺談Ruby process fork應用
Processes, Threads and Ruby - Speaker Deck
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performance - When to use each method of launching a subprocess in Ruby - Stack Overflow