How to Force Reboot a Frozen Mac

Though Macs are known for being stable and experiencing considerably fewer crashes and system freezes than some of the competition, the reality is that sometimes stuff still happens. Typically it’s just an app that crashes or freezes up, remedied with a force quit and relaunch, but on rare occasions the Mac will freeze entirely, with Mac OS X becoming completely unresponsive to anything, from keyboard input to even the inability to move a cursor. This is often accompanied by fans blazing quite loudly, demonstrating a truly frozen Mac, and when this happens the computer is basically stuck in that state until you intervene.



A variety of applications attempt to install Adobe Acrobat Reader into Mac OS X, and many Mac users approve the installation and don’t think much of it. Typically when Acrobat Reader has been installed, it takes over the default PDF viewer that is built into Safari and uses a separate often slower Acrobat plugin for loading PDFs into Safari instead, and it also takes over as the default PDF viewer from Preview app as well. 








Hot off the heels of the 
Subscript and superscript text formatting is commonly used in the math and science world when writing out chemicals, formulas, and expressions. Subscript appears slightly lower and smaller than the primary text, while superscript appears slightly higher and smaller than the primary text (like an exponent, 8^3). 

