I am reading ahead in the install page ~/installation/macOS/ and it says " On Mojave (10.14) Because of SIP Protections in Mojave, you must run:…"
Now that the OS is Catalina, are there any new things that need to be done at that stage?
Also on that page it says " We strongly recommend against installing Ruby gems globally to avoid file permissions problems and using
sudo ." If I am cd into my directory in Terminal, am I right in thinking that I am not in danger of installing Ruby gems globally?