The first thing we need to learn (besides how to type) is how to navigate the file system on our Linux system. In this chapter, we will introduce the following commands:
pwd Print name of current working directory
cd Change directory
ls List directory contents
Understanding the File System Tree
Like Windows, a Unix-like operating system such as Linux organizes its files in what is called a hierarchical directory structure. This means they are organized in a tree-like pattern of directories (sometimes called folders in other systems), which may contain files and other directories. The first directory in the file system is called the ...