Hide Any File Within Image Using Command Prompt

When you want to send setup file to your friend using your email from gmail,yahoomail,rediffmail , They will not provide you permission to send setup file using their mail.So what you have to do is to hide your setup file inside any image and send this image as mail to your friend.
For that Winrar software and one image file will be required.steps are given below.

• Make one folder in your C drive called hiddenfiles(You can choose any drive and also any folder name).
• Now copy setup file(Suppose my setup file is setup.exe) you want to send and paste it under "C:\hiddenfiles".
• Right click on your copied file and select "add to setup.rar".In short convert your setup file to rar file.
• Now select any JPG(You can choose gif or anyother) file , copy it and paste it under "C:\hiddenfiles"
• Go to Command Prompt and go to the hidden folder path like "C:\hiddenfiles>".
• Type "COPY /b inputimage.jpg + setup.rar outputimage.jpg" where inputimage is the name of your image file into which you want to hide your file,setup.rar is the created rar file in step 3,outputimage.jpg is the image which contains image+setup.rar
• Press enter and you will get outputimage.jpg file under C:\hiddenfiles.Send this outputimage.jpg file to your friend.
• To open setup file from image your friend has to do only one thing.He has to open sent image file in winrar.When he opens sents image file in winrar your setup file will be shown.Extract it.