How do you unblock a specific command in command prompt namely the at command?

There are alot of commands for cmd... Theres ones that wipe your hardrive, make you an admin or simply shutdown. I only know the shutdown one off by heart, you can even make it time down and have a...

Well there's about lots of them so I can't just tell you all. So this command might help you: help. This command gives you all the commands on command prompt. Some may not work. This is the one I...

go to command prompt and type help, it will show you all of the commands

press the 'x' in the corner. Type in the word exit.

'Command prompt' means (computer science) a symbol that appears on the computer screen to indicate that the computer is ready to receive a command