As read here, this is my command line history on my MacBook :
[cc lang=”bash” line_numbers=”false”]$ history 1000 | awk ‘{a[$2]++}END{for(i in a){print a[i] ” ” i}}’ | sort -rn | head[/cc][cc lang="bash" line_numbers=”false”]
240 ssh
62 cd
55 scp
33 for
28 vim
25 ping
17 history
13 ls
4 sudo
3 telnet
[/cc]