XDA Developers on MSN

You don't know it, but this underrated built-in Windows tool perfectly reports your PC's stability

But Reliability Monitor is a good starting point that can be used in conjunction with other built-in Windows diagnostic tools ...
ZDNet

5 of my favorite Linux system-monitoring tools - and why I use them

System performance is key to getting the most out of Linux. There are several command line and GUI tools to make this task easy. Here you'll learn about htop, glances, Mission Center, and more apps.