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Reference number: CH000643

How do I determine what operating system I'm using?

Question:

How do I determine what operating system I'm using?

Reasoning:

Users who are not familiar with their computer but need to troubleshoot a problem may need to determine what OS or operating system they are using.

Answer:

Before continuing with the below answer if you know your computer has Microsoft Windows and just wish to determine the version of Microsoft Windows you are using see our Windows version page for additional information and help. If you are not sure if you are running Windows or you believe you are running a different operating system continue reading.

IBM compatible (PC) users
Macintosh users

IBM compatible (PC) users

The majority of all IBM compatible (PC) users have Microsoft Windows installed on their computer. A good method of determining if you are running Microsoft Windows 95 or later is to look for the "Start Button" in the corner of your screen. If you see this button you are running Microsoft Windows. To determine which version of Windows you are using see our Windows version page.

If you do not see a Start button it is likely you are running a different operating system. Below are some different visual indications to determine what operating system you are using. If you do not have any graphics or a GUI (only text) skip to the next section.

  1. A Microsoft Windows logo or Microsoft Windows flag but no start button often indicates an earlier version of Microsoft Windows such as Microsoft Windows 3.11.
  2. A red hat in the corner of the screen - Computer is running Red Hat linux.
  3. A green / blue "L" in the corner of the screen - Computer is running Lindows / Linspire.
  4. A gray / black foot print in the corner of the screen you have GNOME running on a Linux or Unix variant.
  5. A purple background with any visual indication of "Sun" or "Solaris" is an indication of the Sun Solaris operating system being used with X.

If you only have text on the computer or only a console to work with often you can determine what operating system you are using by using any of the below commands. Note: On some systems the command to view what operating system and/or its version will be disabled for security reasons and not all operating systems will support all of the below commands. 

Finally, if you are in front of the computer you can usually determine what operating system is being run on the computer by rebooting the computer.

Note to Linux / Unix users: Often users running a Linux / Unix variant will have a Linux variant with any number of Graphic User Interfaces, for example, you could be running Red Hat Linux using GNOME as the GUI. It is often better to use the console to determine which variant of Linux / Unix you are using. The uname command will work with almost all variants of Linux and Unix.

If the uname command works and you need version information type: uname -a

Additional information about the Linux version can also be found by using the below commands if the uname command is not available.

cat /etc/issue

Macintosh / Apple users

All versions of the Apple Macintosh's operating systems will have the apple menu, a small apple icon in the upper left corner of the screen. If you do not have this apple logo on your screen verify that you are on an Apple computer.

  1. Click the apple menu in the top left corner of the screen.
  2. In the apple menu click "About this Mac" or "About this Computer"

 

 

 

Index


Category:
Operating Systems

Companies:
None

Related Pages:

Resolved

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