see most popular used commands function .zsh

popular1 () {
    fc -l 1 | awk '{CMD[$2]++;count++;}END { for (a in CMD)print CMD[a] " " CMD[a]/count*100 "% " a;}' | grep --color=auto --exclude-dir={.bzr,CVS,.git,.hg,.svn} -v "./" | column -c3 -s " " -t | sort -nr | nl | head -n20
}