history | awk {'print $2'} | sort | uniq -c | sort -k1 -rn | head
neptune:~ eladio$ history | awk {‘print $2’} | sort | uniq -c | sort -k1 -rn | head
159 git
67 cd
64 cap
48 ls
41 exit
32 mate
21 script/server
17 rails_machine_mysql_access
14 rake
8 mv