Shell commands I use most
Couldn't resist the meme that has resurfaced lately.
$ history|awk '{a[$2]++ } END{for(i in a){print a[i] " " i}}'|sort -rn|head 14780 cd 3010 svn 2366 ls 1957 ssh 1563 svnst 1285 ml 1048 bin/test 957 vi 952 sudo 837 offlineimap 'svnst' is an alias for 'svn status'. 'ml' is a little wrapper around mailcheck that reformats the output to fit on two lines.
The numbers are rather high because I added a couple of lines to my ~/.