The finger command displays a M- before each converted character. When you specify users with the User parameter, you can specify either the user's first name, last name, or account name. When you specify users, the finger command, at the specified host, returns information about those users only in long format.

Using 'Finger' Command Now that 'finger' is installed, you can use it to display user information. Simply type finger followed by a username. This command will display information about the root user, including the login name, real name, and the time they last logged in.

Detailed Description: Fingerd is a daemon that responds to requests for a listing of current users, or specific information about a particular user. It reads its input from the network, and sends its output to the network. On many systems, it ran as the superuser or some other privileged user.

The finger command is a command-line-based utility in Linux-based operating systems that gives details of all the users who are logged in. There are various user information lookup commands like “whoami”, “who”, “lastlog”, “users”, and so many more. The finger command is one such user information lookup command.