Control flow is the backbone of how programs and shells decide what to run, when, and under what conditions. From if-else logic to loops, jumps, and shell expansions, mastering these concepts can make ...

Control flow is the hidden roadmap that guides your code’s journey from start to finish. From conditional statements to loops and jumps, it shapes how programs react, repeat, and respond.

A programmable logic controller (PLC) is an industrial solid-state computer that monitors inputs and outputs, and makes logic-based decisions for automated processes or machines. 1. The image above is ...