Any other navigation shortcuts?

Yes, here are some additional navigation shortcuts for the manual viewer:

1. Move forward one line: Enter or j
2. Move backward one line: k
3. Move to the beginning of the document: g
4. Move to the end of the document: G
5. Search for a keyword: /keyword (then press Enter)
6. Repeat the last search: n
7. Go to the previous search result: N
8. Quit the manual viewer: q

These shortcuts can help you navigate through the manual pages more efficiently.