They are better in every regard compared to catting a large file, which is what the OP was complaining about. Certainly if you want to comprehensively understa

They are better in every regard compared to catting a large file, which is what the OP was complaining about. Certainly if you want to comprehensively understand terminal emulator performance there are multiple axes along which to measur eit and various tradeoffs involved. But I think nowadays we have much better alternatives to catting large files or running find / both of which have been the go to for measuring terminal performance for most people.