The original content:
"In the Windows operating system, the Command Command can realize most of the functions under DOS, the DOS startup, the Command will be executed and load the internal Command code, to explain and implement of user input commands,
1. The syntax format
COMMAND the [[drive:] path] [device] [/E: NNMNN] [/Y [/C COMMAND |/K COMMAND]]

In the CONFIG. SYS file, use the following syntax,
SHELL=[[DOS - drive:] DOS - path] COMMAND.COM [/drive: the path] [drive]
[/E: NNMNN] [/p [/MSG]] ", "

I have been on the CMD can't execute the above command, bosses grant instruction, how to use the command command and solve these problems?