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Which command should you enter in your terminal to launch the Ruby interactive shell?

easy📝 Syntax Q3 of 15
Ruby - Basics and Runtime
Which command should you enter in your terminal to launch the Ruby interactive shell?
Aruby shell
Bruby start
Crun irb
Dirb
Step-by-Step Solution
Solution:

  1. Step 1: Identify the command to start IRB

    The Ruby interactive shell is started by typing irb in the terminal.

  2. Step 2: Check other options

    ruby start, run irb, and ruby shell are not valid commands to start IRB.

  3. Final Answer:

    irb -> Option D

  4. Quick Check:

    Type irb in terminal to start IRB [OK]
Quick Trick: Type 'irb' in terminal to start Ruby shell [OK]
Common Mistakes:
MISTAKES
  • Typing 'ruby start' instead of 'irb'
  • Using 'run irb' which is invalid
  • Confusing IRB with Ruby script execution

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