Here's a short list of keyboard shortcuts for reading man pages that I've learned by usage. I've not found a good place shortcuts are documented; man page or otherwise.
Use SHIFT+G to scroll to bottom of the page and look at FILES. You'll also learn more about how bash loads the bashrc if you read the INVOCATION section of the bash man page.
Helpful shortcuts for man pages...
- k and j go up and down one line.
- Ctrl+u and Ctrl+d go up and down half
...