You know what I hate? My history isn't aggregated in real time across all my Mac OS X terminal windows. I used to feel this way. Then one day I figured out how

You know what I hate? My history isn't aggregated in real time across all my Mac OS X terminal windows. I used to feel this way. Then one day I figured out how to enable this in Bash. Resulted in a confusing mess. Turns out you most likely want terminal sessions to be distinct until you end them.