It can sometimes be hard navigate a number of directories across your filesystem, say you’re working on a personal project at the same time as a $WORK project. Usually, you’d use something like tmux or screen to have a separate workspace for each. This can work in graphical environments, but if you’re only at a tty then you’re stuck with the screen space you have. By using our friend, the stack, we can quickly navigate a number of directories from within the shell. Learning this shoul...