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 …