Isn't that too real on subject? I hope! 
I believe that at least some of you guys agree with me here. If someone is preparing for CCIE lab exam, more than few hours typing same commands all over again. I don't want to use too many alias commands, but 5~10 alias for essential commands would be really help. You should try it.
Here is aliases I am using it.
s = show ip int brief
si = show run int
sr = show ip route
r = show run
proc = show processes cpu | excl 0.00%__0.00%__0.00%