Don't-Miss Operating System Stories

code big data binary programming

Sophos AV false positive detection ruins the weekend for some Windows users

A bad malware signature caused Sophos antivirus products to detect a critical Windows file as malicious, preventing some users from accessing their computers.

A Surface Pro 3 running Windows 10

Windows 10's new beta lets computers download updates from other PCs

Microsoft is trying to make it faster for people to download Windows updates by using the vast network of PCs around the world to deliver them.

openSUSE Linux

A new OpenSUSE Linux is coming to town, and it's all about stability

The first beta version of OpenSUSE Leap 42.2 is now available, giving enterprises and other stability-minded users the chance to check it out and get a taste of what's coming.

Linux

Linux's brilliant 25-year history, in pictures

August 25 marks the 25th anniversary of Linux, the free and open-source operating system that's used around the globe in smartphones, tablets, desktop PCs, servers, supercomputers, and more.

Linux kernel development

Another day, another 4,600 lines of Linux kernel code

The Linux kernel is improving faster than ever, gaining 7.8 patches per hour and 4,600 lines of new code every day.

Linux Tux

It's time to say goodbye to Linux 4.6

If you're using a version of Linux based on the 4.6 series of the Linux kernel, the software's lead maintainer has a message for you: It's time to upgrade.

pcwdigitaledition primary aug16

PCWorld's August Digital Edition: Windows 10 Anniversary Update

Enjoy the best of PCWorld.com in a curated Enhanced Edition for Android and iOS, or in a PDF Replica Edition.

internet security thinkstock 1200w

Here are the key security features coming to Windows 10 next week

Here's a look at Windows Information Protection and Windows Defender Advanced Threat Protection, two new features that will be launching next week with the latest major update to Windows 10.

aqua fish smartphone

Sailfish mobile OS, thought dead, comes back to life in Indian smartphone

Alternative mobile operating systems are struggling to survive while Android and iOS dominate, but an operating system called Sailfish -- which was on the brink of disappearing -- is back after a short absence.

Bruised by past mistakes, tech firms brace for 'leap second'

Latest leap second plan poses a dilemma for conscientious sysadmins

Conscientious sysadmins face a dilemma on December 31, when a new leap second will threaten the stability of computer systems and networks.

A Surface Pro 3 running Windows 10

Microsoft won't hit its deadline for 1 billion Windows 10 devices

Last year, Microsoft announced that it planned to have a billion devices running Windows 10 by the middle of 2018. Now, the company is saying that was too ambitious.

A Surface Pro 3 running Windows 10

Microsoft's big Windows 10 Anniversary update launches on August 2

Microsoft officially confirmed Wednesday morning that its latest major refresh of Windows 10 will be released publicly in a little over a month on August 2.

A Surface Pro 3 running Windows 10

Microsoft's gift for PC builders: associate Windows 10 licenses with your Microsoft ID

As Microsoft hurtles towards the release of its major Windows 10 Anniversary Update, the company has introduced a tool that's supposed to help PC owners solve common problems with activating the operating system on their computers.

Fedora GNOME Workstation

Say hello to Fedora 24, a Linux OS for a containerized world

Fedora 24 is the first 2016 release from the Red Hat-sponsored Fedora Project, and it made its debut on Tuesday. Included in the software are several key new features for enterprises. Here's a look at some of the highlights.

windows 10 logo

Major Windows 10 update nears as Microsoft stops adding features to previews

Microsoft is hurtling towards the consumer release of its big Windows 10 Anniversary Update with the latest beta build for its operating system. Testers are being enlisted in a "Bug Bash" to help find and fix issues.