What is the purpose of the command 'ls' in Linux?

The command 'ls' in Linux is fundamentally used to list files and directories within the current working directory or a specified path. This command is a primary tool in navigating and managing files in a Linux environment, providing users with a view of the contents of directories. It displays not only the names of files and subdirectories but can also provide additional information based on the options used, such as file permissions, sizes, and modification dates.

Using 'ls' is essential for users, as it allows them to ascertain the structure and contents of the file system, facilitating effective file management and navigation. Understanding the output of the 'ls' command aids users in performing further actions on files and directories, emphasizing its role as a fundamental command in the Linux operating system.