Typing in "cls" without the quotes and hitting enter will clear the command prompt window (DOS window) and show you just the current prompt such as "C:".
If you search for "dos commands" you should find some lists of things that are available when you are in the command prompt. But be aware that not all are active on all computers and some commands can delete files and do other things that you may not really want. -)
cls
clear
To clear the Command Prompt window, enter CLS
The command CLS clears the screen and resets the location of the command prompt to the top of the screen. This is similar to the Unix command clear.
cls
msconfig
1. Open an elevated Command Prompt window. To open an elevated Command Prompt, click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.2. Type the following command and press ENTER:rd /s /q C:\$Recycle.bin(This clears out the $Recycle.bin folder for the C:\ drive. You may have to do this for each hard disk partition in your system.)3. Type exit to close the Command Prompt window.
exit
Defrag
The "clc" command is used to clear the command window in Matlab.
DOS box
you have to use the command prompt(also called the DOS prompt by older users. You can find this by going to "start" , "programs" , "accessories" and "command prompt"
press the 'x' in the corner. Type in the word exit.
start -> Run -> regedit