History of my most used shell commands

Courtesy of me -> flub:

history | awk '{a[$2]++ } END{for(i in a){print a[i] " " i}}'|sort -rn |head -n 20
107 svn
101 cd
101 ./bin/instance
58 ls
37 python
26 mate
16 grep
11 rm
8 ssh
4 ipython
4 easy_install
3 sqlite3
2 sudo
2 pwd
2 mkdir
2 history
2 django-admin.py
2 django-admin
2 ./bin/instance1
1 wget