Caminhos...

[diogo@link 1] ~ > history | awk '{a[$2]++ } END{for(i in a){print a[i] " " i}}'|sort -rn|head
464 w (alias para whois)
154 ping
54 s1 (alias para uma ligação ssh)
51 su
34 *
30 locate
21 gedit
19 telnet
14 ssh
11 qemu

[root@link ~]# history|awk '{a[$2]++ } END{for(i in a){print a[i] " " i}}'|sort -nr|head
78 yum
43 gedit
36 cd
32 /usr/sbin/tripwire
26 nano
24 chcon
23 rkhunter
22 locate
17 /sbin/restorecon
17 cp

[diogo@x61 1] ~ > history | awk '{a[$2]++ } END{for(i in a){print a[i] " " i}}'|sort -rn|head
168 su
111 ./windex
45 ls
38 cd
37 ping
31 locate
27 make
24 *
23 w
16 igal

[root@x61 3] ~ > history|awk '{a[$2]++ } END{for(i in a){print a[i] " " i}}'|sort -nr|head
131 gedit
115 make
52 cd
51 yum
42 locate
23 /usr/bin/vmware-config.pl
20 nautilus
20 h
20 echo
17 /etc/init.d/network