Command Prompt is a command line interpreter application available in most Windows operating systems. It's used to execute entered commands. Most of those commands automate tasks via scripts and batch files, perform advanced administrative functions, and troubleshoot or solve certain kinds of Windows issues.
systeminfo
vol
ver
date
data/t
time
time/t
d: change dir
dir
cd
cd..
mkdir [directory]
rmdir [delete]
type nul >abc.txt [ create file]
ren abc.txt abcd.txt
notepad abcd.txt
copy abc.txt abcd.txt [copy data]
del abc.txt // erase abc.txt
type abc.txt [watch file data]
ping google.com
ipconfig / all