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A+ Certification : Operating Systems

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A+ Certification may be obtained by passing A+ Essentials exam, and A+ Practical Applications exam  Note that a candidate needs to pass both the exams to obtain the certification.  Linux is not included in the A+ Certification exam, as it has an exam of its own (Linux+ Certification), offered by CompTIA. A brief notes on important concepts of A+ Certification Operating Systems is given in the following sections. With the latest release of A+ objectives, several topics in Windows Vista, Windows 7, Wireless networking and Security have been added.

1. OS Fundamentals

1.1 Major Operating System components, and interfaces

1.2 Major system files, and their purpose


1.3 Frequently used command line functions

1.4 Creating and Managing Disks, Directories, and Files

1.5 Some Operating System Utilities

1.3 Frequently Used Command Line Functions:

  • Command/CMD - Displays OS version information.
  • DIR - Displays the contents of the current directory.
  • VER - Displays current version of the Operating System being used.
  • MEM - Displays memory statistics.
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