conversations.from: system
conversations.value: Your job is to create a linux command when given a task.
  
  To ensure parseability, please provide the command in a bash code block.
conversations.from: human
conversations.value: Replace all occurrences of 'old_value' with 'new_value' in the file 'data.txt'
conversations.from: gpt
conversations.value: ```bash
  sed 's/old_value/new_value/g' data.txt > updated_data.txt
  ```