Posting Text Output in macOS Recovery Console

If you are in the Recovery console,

• Click on Utilities -> Terminal, and run Terminal commands, as necessary.
• Select and Copy (Command+C) the Terminal output, quit Terminal. This saves the output in the Copy/Paste buffer.
• Start Safari (Get Help Online), and Paste (Command+V) the contents of the Copy/Paste buffer as a reply to the appropriate discussion.
• Quit Safari to get back to Recovery console.