清华大佬耗费三个月吐血整理的几百G的资源，免费分享！....>>>

history | awk '{a[$2]++}END{for(i in a){print a[i] " " i}}' | sort -rn | head
2141 git
967 vagrant
702 cd
701 gvim
618 ssh
552 fab
444 ls
360 vim
318 rm
223 mv