> B-trees are to binary trees what ksh is to sh. > Rob Pike Does this mean that B-trees are something that every binary tree user would want to use, or does it mean that they take up a lot of space to add functionality that should be done in another way? Also, what data structures correspond to csh and the 8th edition sh? :-) Tim Smith ima!ism780!tim ihnp4!cithep!tim