Unix directory structure is like a filing cabinet, but for your computer. It helps you organize all of your files, like photos, documents, music, and programs. The top level directory (the one closest to the outside of the filing cabinet) is called the root directory. Its name is usually just a forward slash (/). Inside the root directory are several other folders (called sub-directories), like Music, Documents, and Pictures. Inside each of these folders are even more folders, and inside those might be yet more folders. Each folder/sub-directory contains different types of files. For example, the Documents folder might contain Word documents and PDFs, while the Pictures folder would contain image files like JPEGs and GIFs. This way, you can easily find the type of file you want!