maximizing the windows Command prompt

Clicking the maximize button on the Windows command prompt does not help because the size does not increase. First of all, why is that?

Also, if you run this instead,

C:\Windows\System32\cmd.exe /k "mode 200,70"

you get a bigger Window. How does that happen? What does /k "mode 200,70" mean?

There are two parts to the answer.

The command shell option /k starts a new command prompt, runs some command (or a program, batch script, or group of commands) and the prompt remains rather than terminating.

In this case, the command is mode, which can be used to set the command prompt screen size/window buffer so it's 200 columns wide and 70 rows high.

Finally, if you want to change the default size of the command prompt, right click on the title bar, select 'Properties', and select the 'Layout' tab. You can set the size of the screen buffer and the window separately. The width should be the same for both. The screen buffer height setting determines how far back you can scroll.

/K | /C Are used to run a command after launching cmd.exe. Thus you are running the command/program mode. With mode there are several options the 200,70 is to change the display, but there are a few other options that can be used with mode.

As to the reason you can't maximize cmd.exe is the screen buffer. You should check out this site that will show you how to change it.