Disclaimer: ChatGPT generated document.
When working with command-line programs, one of the first concepts you encounter is the idea of passing inputs directly to a program at launch. These inputs control behavior, configure execution, or provide data. While many developers casually refer to all such inputs as “flags,” the reality is more nuanced.
This article provides a clear, structured understanding of what these inputs are actually called, how they are categorized, and why the distinctions matter—especially for developers building robust CLI tools.
