The ‘man’ command in Linux provides access to manual pages for commands and system resources. These are categorized into sections like regular commands (man 1), low-level functions (man 2), library functions (man 3), special files (man 4), file formats (man 5), games (man 6), miscellaneous topics (man 7), system management (man 8), and kernel programming (man 9). It’s essential for users to understand when and how to utilize each section.