macOS X Server

Perhaps by age, macOS X Server (see Figure 1.22) is younger than Windows Server and Linux Server NOSs, but in terms of reliability it is gaining more and more industrial support. In its heart, macOS X Server is basically a version of Unix OS, but has been customized to conform to the familiar GUI of Apple OS for Mac computers. Like Windows Server and Linux Server, macOS X Server is offered in 64-bit too. It is worth mentioning the unique fact that the macOS X Server runs only on Apple's hardware. It is a GUI-based NOS; however, considering the UNIX origin, obviously it can be administered entirely through the CLI as well: