Seriously, though, "!!" is just a special case of Bash's history expansion man bash, and search for "^HISTORY EXPANSION" for all the details. I often find mys

Seriously, though, "!!" is just a special case of Bash's history expansion man bash, and search for "^HISTORY EXPANSION" for all the details. I often find myself running commands like cp !:2 !:1 # reverses the order of the last two args cd /somedir && !! # run the last command in a better directory