OPERATING SYSTEM : An operating system (OS) is the program that, after being initially loaded into the computer by a boot program, manages all of the other application programs in a computer. The application programs make use of the operating system by making requests for services through a defined application program interface (API). Some Example : The IT industry largely focuses on the top five OSs, including Apple macOS , Microsoft Windows , Google’s Android OS , Linux Operating System , and Apple iOS . But that’s just the tip of the operating system iceberg. There are numerous free OS options in addition to Linux including Chrome OS, Syllable, and ReactOS, which was initially launched as a Windows95 clone. But that’s just in the world of personal computers, mobile devices, and tablets. When you examine server OSs, the number jumps considerably. All told, there are over 63 base proprietary OSs with various versions or updates, in addition to another 26 non-proprietary OSs. Apple
OPERATING SYSTEM : An operating system (OS) is the program that, after being initially loaded into the computer by a boot program, manages all of the other application programs in a computer. The application programs make use of the operating system by making requests for services through a defined application program interface (API). Some Example : The IT industry largely focuses on the top five OSs, including Apple macOS , Microsoft Windows , Google’s Android OS , Linux Operating System , and Apple iOS . But that’s just the tip of the operating system iceberg. There are numerous free OS options in addition to Linux including Chrome OS, Syllable, and ReactOS, which was initially launched as a Windows95 clone. But that’s just in the world of personal computers, mobile devices, and tablets. When you examine server OSs, the number jumps considerably. All told, there are over 63 base proprietary OSs with various versions or updates, in addition to another 26 non-proprietary OSs. Apple