FreeBSD
Installation options:
Manual Pages
After installing Rio, you can optionally install manual pages for offline documentation:
# Install scdoc (required to build man pages)
pkg install scdoc
# Build and install man pages from source
git clone https://github.com/raphamorim/rio.git
cd rio/extra/man
make
sudo make install
# Access documentation
man rio # Main Rio manual
man 5 rio # Configuration file format
man 5 rio-bindings # Key bindings reference