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Oops! Microsoft accidentally teases Windows 9 'coming soon' on social media

Brad Chacos@BradChacos

  • Sep 2, 2014 6:12 AM
Brad Chacos Senior Writer, PCWorld

Brad Chacos spends the days jamming to Spotify, digging through desktop PCs and covering everything from BYOD tablets to DIY tesla coils. 327 more words


Apple releases OS X Yosemite Developer Preview 7

“Apple today released the seventh developer preview of OS X Yosemite bringing the latest build to 14A343f,” Zac Hall reports for 9to5Mac.

“The previous developer preview (build 14A329f) was released two weeks ago,” Hall reports. 55 more words


How Popular is your Operating System?

Are you using a Mac, Windows, Linux or other operating system on your desktop or tablet computer? Want to see what the rest of the world is using? 16 more words


11. What to Do When Your Computer is Acting Weird

There are occasions when a running application (such as your browser or a word processing program) will become unresponsive.  Regardless of what you do, the cursor won’t move or the words that you type won’t appear, etc.  698 more words

Operating Systems

Q61: Atomicity of semaphore operations

Question 61: What is true about up() and down() operations of semaphore?

  1. The operations up() and down() must have to be atomic.
  2. The operations up() and down() can be made atomic by using the hardware based solution like TSL.
  3. 35 more words
Operating Systems

Creating your own Hello World Operating System.

Last Saturday I created my very own Hello World Operating System(which prints “Hello World” to the screen.)!! :) Creating your own operating system is possible to do from any operating system, but it is much easier on GNU/Linux systems compared to other non-free operating systems .  1,527 more words


Steps to build your Hello World Operating System

Step one :- Retrieving the Source Code.

Create a directory say “src”  and change into it  using the following commands.

# Create a directory from which we will build the toolchain. 1,129 more words