Linux power users: Here's a distro with a refreshing approach to OS design

NixOS is a well-designed OS with a fantastic array of layouts and features, but I recommend it to Linux users who aren't afraid of a little learning curve.

• NixOS is an open-source operating system that is available to install and use for free.
• It offers several desktop environments to choose from, is as rock-solid as any OS on the market, and performs quite well.
• However, there's a fairly steep learning curve for installing non-free software.

Before we get into this review, I want to offer some information for new Linux users. If you're uncomfortable using the command line or diving down rabbit holes to figure out how to do something that should "just work out of the box," then NixOS is probably not for you. 

Also: This Linux distro can be used without installation (and it's totally free)

However, that's not to say someone with ...