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You have multiple Ruby versions installed with rvm. How can you permanently set Ruby 3.0.2 as the default version for all terminal sessions?

hard📝 Application Q9 of 15
Ruby - Ecosystem and Best Practices
You have multiple Ruby versions installed with rvm. How can you permanently set Ruby 3.0.2 as the default version for all terminal sessions?
A<code>rvm set default 3.0.2</code>
B<code>rvm --default use 3.0.2</code>
C<code>rvm use 3.0.2</code>
D<code>rvm global 3.0.2</code>
Step-by-Step Solution
Solution:
  1. Step 1: Identify the command to set default Ruby in rvm

    The --default flag with rvm use sets the default Ruby version permanently.
  2. Step 2: Differentiate from other options

    rvm use alone sets version temporarily, rvm set default and rvm global are invalid commands.
  3. Final Answer:

    rvm --default use 3.0.2 -> Option B
  4. Quick Check:

    Permanent default Ruby = rvm --default use [OK]
Quick Trick: Use rvm --default use to set permanent Ruby version [OK]
Common Mistakes:
  • Using rvm use without --default
  • Trying invalid commands like rvm set default
  • Confusing rvm with rbenv commands

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