luke@server1:~$ history|awk ‘{print $2}’|awk ‘BEGIN {FS=”|”} {print $1}’|sort|uniq -c|sort -rn|head -10<br/> 90 ls<br/> 71 cd<br/> 49 vi<br/> 28 mv<br/> 20 rm<br/> 18 screen<br/> 17 cp<br/> 16 ssh<br/> 16 cat<br/> 15 sudo<br/> luke@server1:~$