How to run multiple commands in one Github Actions

Question

Accepted Answer

- run: | 
       echo "A initial message" 
       echo "Another message or command"

Answer

- bash: | 
       echo "A initial message" 
       echo "Another message or command"

Answer

- script: [echo "A initial message", echo "Another message or command"]

Answer

- sh: [echo "A initial message", echo "Another message or command"]

Answer

- runs-on: | 
       echo "A initial message" 
       echo "Another message or command"

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