CompTIA®A+ Core 2 Exam Notes : Important Features, And Functionality Of The Mac Os And Linux Operating Systems

2. Other Operating Systems & Technologies

2.1 Important features, and functionality of the Mac OS and Linux operating systems

You can access the update in Mac OS X computer in the following way

System Preferences controls system-wide settings ("global" settings), and is available from the Apple menu at the upper-left corner of the screen. System Preferences lets you adjust things like your screen resolution, keyboard control, mouse control, sound, printer settings, sharing settings, accounts, and more. The figure below shows the applets that are available in System Preferences window.

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The following are true about MAC OS X

1. You can manage Startup Applications from System preferences > Users and Groups pane in MAC OS X

2. You can use Task Manager in Windows 7 for managing Startup Applications

3. In Ubuntu Linux, you can search for Startup by clicking on the Search button (top left), and initiate configuring Startup applications by clicking on the Startup applications.

4. Mac OS X allows user level configuration of Startup Applications

5. You can configure Startup Applications in Windows 8/8.1 using Task Manager (Ctrl+Alt+Del).

6. In Windows 7/Vista, you use msconfig command. You may use it in command prompt or go to Start > Search bar, and type msconfig and enter.

In Linux environment, the following files have special meaning:

1. Directories: files that are lists of other files.

2. Special files: the mechanism used for input and output. Most special files are in /dev, we will discuss them later.

3. Links: a system to make a file or directory visible in multiple parts of the system's file tree. We will talk about links in detail.

4. (Domain) sockets: a special file type, similar to TCP/IP sockets, providing inter-process networking protected by the file system's access control.

5. Named pipes: act more or less like sockets and form a way for processes to communicate with each other.

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