I hate llms, but honestly some sort of local one that wasn't trained on the orphan crushing machine thats integrated into the terminal could really help people. But I dont think it needs to be an llm. Just a cleverly coded lookup program like fish or tldr. Something where I can type "audio" and get settings for audio to show up with brief explanations so I can troubleshoot.
I myself forget commands a lot and have a notepad file (that I made an alias for so I can open it super fast from terminal) . But most peolle find this batshit insane that youd have to do that in 2026 and i get made fun of a lot. I myself like the simplicity.