History meme

With reference to the History meme: http://diveintomark.org/archives/2008/04/15/history-meme

Mike-MacBook-Pro:nimitz mike$ uname -a
Darwin Mike-MacBook-Pro.local 9.2.2 Darwin Kernel Version 9.2.2: Tue Mar 4 21:17:34 PST 2008; root:xnu-1228.4.31~1/RELEASE_I386 i386

Mike-MacBook-Pro:nimitz mike$ history | awk '{a[$2]++}END{for(i in a){print a[i] " " i}}' | sort -rn | head
86 ls
78 cd
68 p4
66 pwd
26 gmake
24 s1
24 emacs
13 more
13 man
12 ssh

Notes: s1 is an alias to ssh to my virtual machine server, p4 is perforce