Not only why, but also how they work in some more detail. Only after reading this I understood, for example, why C-u works in the terminal even if right/left ar

Not only why, but also how they work in some more detail. Only after reading this I understood, for example, why C-u works in the terminal even if right/left arrows do not in this particular moment (like after using read builtin or cat without arguments). Very good read.