most used command

2013.06.05 23:01
$ history | awk '{CMD[$2]++;count++;} END { for (a in CMD )print CMD[ a ]" " CMD[ a ]/count*100 "% " a}' | grep -v "./" | column -c 3 -s " " -t | sort -nr | nl | head -n 10
     1	631  20.5671%    make
     2	424  13.8201%    fg
     3	378  12.3207%    vim
     4	219  7.1382%     ls
     5	148  4.82399%    cd
     6	125  4.07432%    ydict
     7	84   2.73794%    dig
     8	79   2.57497%    cat
     9	49   1.59713%    mv
    10	40   1.30378%    rm