来自
http://www.csd.uwo.ca/staff/magi/personal/humour/Computer_Audience.html 这是一组有趣的UNIX命令。Shell环境是csh或sh,提示符是%, 
在大部分Unix/Linux系统上可以得到下面这些有趣甚至爆笑的 
输出结果:    
% cat "food in cans" 
cat: can't open food in cans 
% nice man woman 
No manual entry for woman. 
% rm God 
rm: God nonexistent 
% ar t God 
ar: God does not exist 
% ar r God 
ar: creating God 
% "How would you rate Quayle's incompetence? 
Unmatched ". 
% Unmatched ". 
Unmatched ". 
% [Where is Jimmy Hoffa? 
Missing ]. 
% ^How did the sex change operation go?^ 
Modifier failed. 
% If I had a ( for every $ the Congress spent, what would I have? 
Too many ('s. 
% make love 
Make: Don't know how to make love. Stop. 
% sleep with me 
bad character 
% got a light? 
No match. 
% man: why did you get a divorce? 
man:: Too many arguments. 
% !:say, what is saccharine? 
Bad substitute. 
% %blow 
%blow: No such job. 
% \(- 
(-: Command not found. 
$ PATH=pretending! /usr/ucb/which sense 
no sense in pretending! 
$ drink matter 
matter: cannot create