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.

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 touch command in Linux is used to create a new empty file and to change the timestamps of existing files. You can use it with the syntax: touch myfile. txt . In this example, we use the touch command to create a new file named 'myfile.