Perpetuating the history meme!

$ history|awk '{print $2}'|sort|uniq -c|sort -rn|head
   58 ls
   48 clear
   45 cd
   41 ss
   34 vim
   22 ping6
   22 dig
   20 make
   13 man
   13 fo

"ss" opens a new screen window with an ssh session to "spoon.netsoc.tcd.ie".
"fo" is an alias for "killall -9".