Shell Shell History The more things change, the more they stay the same. $ history 1000 | awk '{a[$2]++}END{for(i in a){print a[i] " " i}}' | sort -rn | head 64 git 59 ./bin/rake 56 ls 53 vim 44 cd 30 gst 20 gp 17 cat 16 rake 13 glog By On Mar 6, 2012