~ $ history|awk '{a[$2]++} END{for(i in a){printf "%5d\t%s\n",a[i],i}}'|sort -rn|head
107 ls
103 cd
89 vim
39 python
26 cat
18 open
17 ssh
13 o
11 rm
10 log
via Bill de hÓra
~ $ history|awk '{a[$2]++} END{for(i in a){printf "%5d\t%s\n",a[i],i}}'|sort -rn|head
107 ls
103 cd
89 vim
39 python
26 cat
18 open
17 ssh
13 o
11 rm
10 log
via Bill de hÓra