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

• A. Change the current working directory
• B. List files in a directory
• C. Move or rename a file
• D. Delete a directory

Answer: (B)

The 'ls' command in Linux is primarily used to list files and directories within the specified directory. When executed without any arguments, it displays the contents of the current directory, providing an overview of the files and subdirectories it contains. This command is fundamental for navigating the file system, allowing users to see what is available for further operations, such as viewing, moving, or managing files.

Using the 'ls' command, users can also apply various options to modify its output, such as showing hidden files, providing detailed information about file permissions, or sorting the files in different ways. This versatility makes 'ls' an essential tool for anyone working in a Linux environment. Understanding its function is key for effective file management and system navigation.