Problem: How to create a batch file in windows 7 
Learn some basic batch codes. 
Batch is a script language; it contains numerous codes that cannot be learned in just one setting or one description. There are some basic codes, similar to dos commands, however, that's easy to keep in mind : 
Echo-displays text you entered after this code on the screen echo off-hides the command output of each command given.

Answer: Rem-inserts a comment line in the program pause-temporarily pauses the batch script. Press any key to move to the next command line.


Problem: How to change an imac hard drive 
Backup your imac. 
Before changing the drive on your computer, you should always backup your hard drive. You can backup your drive to a cloud service like icloud, or google drive, or you can backup your data to an external hard drive or flash drive.

Answer: Power off your imac and unplug it. You should always make sure your computer is unplugged and place it on a clean, static free surface.


Problem: How to change your security settings on firefox 
Launch firefox. 
To open the firefox browser on your computer, click on its icon, which should be on your desktop, start menu, or taskbar. 
Click on the settings button.


Answer: Look for the icon with three short horizontal lines arranged one on top of the other found at the top-right corner of the browser. Click on the icon to display a drop-down menu..