If you are a developer, you’re mostly working using the command line. You may even want to find out the most used commands.
fc -l 1 | awk '{CMD[$2]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a; }' | grep -v "./" | column -c3 -s " " -t | sort -nr | nl | head -n10