[licio@licio ~]$ history | awk ‘{a[$2]++ } END{for(i in a){print a[i] ” ” i}}’|sort -rn|head
322 ssh
96 cd
86 ls
75 telnet
55 exit
41 scp
35 dig
28 wget
25 ping
24 vim

Yes, how can you see, I’m still  using telnet, I’ve got some old servers running aix and sun os.