Why don't Mac & Windows agree on some basic keyboard shortcuts?

Such as

Opening a file

Renaming a file

Going to a parent folder

Going to a child folder

.

.

.

It would make life so much simpler. & they can still keep their fancy things such as pinch to zoom & multi finger swipes in Mac & alt-ctrl-del & the windows key in PC.

How to Undo Last Closed Tab in Safari Mac OS X

This one will blow your mind away. Of you accidentally closed a ab & want to open it again, in Safari on Mac OS X, simply press Command + Z!
& bang the last closed tab will reopen! 

What are the iPhone APN GPRS settings for Vodafone India?

iPhone 4s - How to setup APN configurations

This is one question every iPhone user in India faces. How do you setup APN configuration on iPhone. The answer lies in . .