SharePoint PowerShell Commands to get Feature List

Get All Feature List
Get-SPFeature >D:\a.txt
SharePoint Version
(get-spfarm).buildversion
To Check SharePoint is installed and working or not
get-spfarm
if you get below output then it's installed and working fine...
Name                                                                                                         Status
---- ------
SharePoint_Config_6983cd15-2834-4645-a3f3-b7c63500545f               Online

If status is Online, it's correct installation