man:tldr:63f50

The command "man --whatis ${command}" is used to display a short description or summary of the specified command.

Here's how it works:

• "man" is the command to display the manual pages in Unix-like operating systems.
• "--whatis" is an option or flag that tells the "man" command to display a short description or summary of the command.
• "${command}" is a placeholder for the actual command you want to get information about. You need to replace "${command}" with the actual command you want to know more about.

When you execute this command in the terminal or command prompt, it will search the system's manual pages database for the specified command and display a brief summary of it. It's a quick way to get an idea of what a specific command does without having to go through the entire manual page.