Fine gravel: gravel consisting of particles with a diameter of 2 to 4 mm. Lag gravel: a surface accumulation of coarse gravel produced by the removal of finer particles. Pay gravel: also known as pay dirt; a nickname for gravel with a high concentration of gold and other precious metals.
March 31, 2015. Locate the operating system on your Mac computer using the Apple menu. The Apple menu is found in the top corner of your Mac's screen. Use it to access the About This Mac dialog, through which you can view the version of the OS X operating system currently running on your Mac. Step Click the Apple logo in the top-left corner of your screen to open the Apple menu.
The operating system (OS) is the foundation of your computerâs software. Everything that runs on the computer is based on this in one form or another and itâs stability and functionality will determine what you can get out of the computer. Currently there are three main options: Windows, Linux, and Appleâs OS X. They may serve the same purpose, but they are too firmly established to say that one is better than the others. Each has their own strengths and weaknesses and each will have unique appeal to different buyers.