use a shell function/alia?

    show-logs() { journalctl -u "$1" } 

    show-logs nginx 

(Not that I think journalctl -u even needs an alias tbh but if you want it you can have it)

Keep a file with a list of commands used semi-regularly. Or have a script dump your command history into a file.

Better to spend a minute searching for a command in a file than to waste an hour recreating it.

AI is so helpful for doing those kinds of tasks in the terminal that you only do a couple times a year and can never remember the exact incantation