The top 10 commands in my shell history
$ history|awk ‘{a[$2]++} END{for(i in a){printf “%5d\t%s\n”,a[i],i}}’|sort -rn|head
197 ls
84 cd
84 svn
14 sudo
12 vi
12 exit
11 python
6 less
5 ./google_appengine/dev_appserver.py
5 curl
It turns out I use ls a lot!