[Linux] aptitude vs. apt-get

功能上的区别：

http://www.debian.org/doc/manuals/debian-faq/ch-pkgtools.en.html#s-aptitude

彩蛋上的区别：

$ apt-get moo
         (__) 
         (oo) 
   /------\/ 
  / |    ||   
 *  /\---/\ 
    ~~   ~~   
...."Have you mooed today?"...

$ aptitude moo
There are no Easter Eggs in this program.