— command history
history | awk {'print $2'} | sort | uniq -c | sort -k1 -rn | head
example
// brand new netbook 24 ls 14 cd 12 defaults 9 unzip 8 ssh 5 mv 3 mkdir 3 chmod 3 cat 2 unrar
// quilime.com 173 git 140 ls 84 cd 18 emacs 15 cat 13 mv 12 rm 5 ln 4 mkdir 4 ./scripts/content