How to install the finger command?

To install the finger command on a Debian-based system like Ubuntu, you can use the following command in the terminal:

sudo apt install finger

After entering this command, you may be prompted to enter your password. Once the installation is complete, you can use the finger command as described earlier.

If you're using a different Linux distribution, the installation command may vary. For example, on Red Hat-based systems, you might use:

sudo yum install finger

Or for Fedora:

sudo dnf install finger

Make sure to check your distribution's package manager for the correct command if you're not using Ubuntu.