Towers of Hanoi. To make this column more interesting, I'm going to brush off a classic recursion program and see how to make it work as a shell script. The program is called Towers of Hanoi, and ...

For those unfamiliar with the Tower of Hanoi puzzle, the diagram below shows three pegs. Your task is to move all the doughnut-shaped disks from the peg on the left, we’ll call it Peg A, to the ...

The Tower of Hanoi is a classic puzzle. Yet a cognitive analysis revealed decision requirements that had previously been unknown—showing the power of the cognitive dimension.