Interactive history search (^R) in Bash (and IPython) so awesome, it can't be overstated. I've become so addicted to it that I start almost any command with ^R

Interactive history search (^R) in Bash (and IPython) so awesome, it can't be overstated. I've become so addicted to it that I start almost any command with ^R now. For most of them, I've got them somewhere in history - and only if it doesn't find anything, I ^C and type manually.