What is the function of the dmesg command in Linux?

The dmesg command is used to display messages in the kernel ring buffer. It provides an interface for viewing and debugging kernel-related issues. The dmesg command can show all kernel messages during the system boot process, including hardware detection, driver loading, device connections, and error messages. It can also display important system events such as resource allocation, network connections and disconnections. By examining the dmesg output, you can identify and resolve issues with the system and hardware.