The shell.
There is no such command. Obviously, in order to enter a command into the prompt, Linux must already be on.
With the whoami command.
Command prompt is a simple term meaning the place where you can enter system commands. It has different names on different systems, Windows -cmd(Command Prompt), Linux Mac - Terminal
mount
The command you should type at the shell prompt or command prompt depends on what you want to accomplish. For example, to display the current directory, you can use pwd in Unix/Linux or cd without arguments in Windows. To list files, type ls in Unix/Linux or dir in Windows. Always ensure you have the appropriate permissions for the commands you intend to execute.
At the command prompt, type 'man [command]' (removing the brackets and substituting the command for which you need information).
type this at you Linux command prompt cat /proc/filesystems
At a terminal prompt: sudo apt-get install <application-name>
nslookup if it was a linux machine nslookup works too, but dig -x on a linux machine will get more info for you
If you're talking about Linux, no it does not.
"powershell" on windows and "bash" on linux. I'm pretty sure mac uses bash too
To find the shell on a computer, you can open a terminal or command prompt application. In Windows, you can use Command Prompt or PowerShell, while in Unix-based systems (such as Linux or macOS), you can use the Terminal application. These applications provide a command-line interface to interact with the operating system.