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.
OS X vs Windows. The operating system is the important bridge between the machine and the person using it. The two most popular operating systems for computers are OS X and Windows.The main difference between Windows and OS X is the computer you can use it with.OS X is exclusively for Apple computers, commonly known as Macs, while Windows is basically for any personal computer from any company.n the end, the choice between Windows and OS X is down to whether you want an Apple computer or not. If you only do routine stuff on your computer and itâs within your budget, an OS X running Mac can be a reasonable purchase as you do not have to worry as much about malware.