Make sure you are executing the DISKCOPY command under a CMD.EXE shell. Command.com is the old 16-bit DOS command line, it does not work properly with some newer features.

In this post, we will learn how to open the Command Prompt window at the Login screen or Boot on your Windows PC. Command Prompt (cmd.exe) is the default command line interpreter for Windows. It is ...

Command Prompt is one of the most valuable tools in Windows as it allows developers to test their codes, allows users to flash custom ROMs, pings their WiFi networks, changes a number of hidden ...

I have a W98 Compaq laptop. While booting, it displays the following:<BR><BR>The following files are missing or corrupt:<BR><BR>command.com<BR><BR>then...it displays:<BR><BR>bad command or file ...