Difference between revisions 2947732 and 2947737 on enwikibooks

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A+ Certification
{{Subpages}}
== Navigation ==

* [[/Basic Exam Info/]]
* [[/Exam Objectives/]]
* [[/Exam Prep/]]

== Identifying operating systems ==
Although the examination focuses almost exclusively on Microsoft's Windows operating system (OS), one should also know about differences among other operating systems.

Microsoft operating systems:
* Legacy Windows OSes (need only to know upgrade paths):
** Windows 95
** Windows 98
** Windows ME
** Windows NT 4.0
** Windows 2000
** Windows XP
* Current Windows OSes (focus on these for the new exam):
** Windows Vista
** Windows 7
** Windows 8
** Windows 10
Apple operating systems:
* Mac OS X (which is based on Unix-like system-exam question)
* iOS (for iPhone, iPad, iPod Touch)

Unix-like operating systems:
* BSD (and derivations like FreeBSD, OpenBSD, and NetBSD)
* NextStep
* GNU/Linux
* Google Android⏎
⏎
== Boot Process for Operating Systems ==

=== DOS BOOT PROCESS ===

# Upon powering on the machine a POST (Power on Self Test) is executed, this does a quick test on things such as the memory and power supply of a machine. POST transfers control to CMOS (Complementary Metal Oxide Semiconductor) which contains the BIOS (Basic Input Output System). The BIOS loads various low level settings such as boot-order and network settings.  The BIOS is also a very useful tool for testing memory or hard drives, as well (contracted; show full)* [[Server+ Certification]]
* [[Linux+ Certification]]
* [[LPI Linux Certification]]
* [[CIW Certification|CIW Home]]

{{alphabetical|A}}
{{subjects|IT certifications}}
{{status|25%}}