statistic of the frequnce of your command from your history。

history | awk '{CMD[$4]++;count++;} END { for (a in CMD )print CMD[a] " " CMD[a]/count*100 "% " a }' | sort -nr | nl | column -t | head -n 10
perhaps you should use CMD[$2] instead of CMD[$4]
Sample Output
1    1928  19.28%  ll
2    1341  13.41%  cd
3    1127  11.27%  ls
4    576   5.76%   cat
5    364   3.64%   vim
6    243   2.43%   ssh
7    211   2.11%   vi
8    196   1.96%   pt-table-sync
9    189   1.89%   rm
10   186   1.86%   mysql

0
By: jasee
2013-07-05 02:38:04

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What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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