PowerShell Core 6.0 is a new edition of PowerShell that is cross-platform (Windows, macOS, and Linux), open-source,…

PowerShell Core 6.0 is a new edition of PowerShell that is cross-platform (Windows, macOS, and Linux), open-source, and built for heterogeneous environments and the hybrid cloud.

https://blogs.msdn.microsoft.com/powershell/2018/01/10/powershell-core-6-0-generally-available-ga-and-supported/

PowerShell Core is officially supported on the following platforms:

Windows 7, 8.1, and 10
Windows Server 2008 R2, 2012 R2, 2016
Windows Server Semi-Annual Channel
Ubuntu 14.04, 16.04, and 17.04
Debian 8.7+, and 9
CentOS 7
Red Hat Enterprise Linux 7
OpenSUSE 42.2
Fedora 25, 26
macOS 10.12+

Contributed, but not officially supported:

Arch Linux
Kali Linux
AppImage (works on multiple Linux platforms)

Experimental (unsupported) releases:

Windows on ARM32/ARM64
Raspbian (Stretch)

https://blogs.msdn.microsoft.com/powershell/2018/01/10/powershell-core-6-0-generally-available-ga-and-supported/