I don't think that is unusual. I also don't try hard to memorise things I know I can trivially lookup. Other things I have a directory called `useful_things`

I don't think that is unusual. I also don't try hard to memorise things I know I can trivially lookup. Other things I have a directory called `useful_things` that has markdown files broken down by category I can quickly grep for that thing I remember I needed but not how to do.