The "Disable/Enable all Lync services" ones are especially helpful when the OS will need to be restarted a couple of times, and you don't want to deal with the hassle of waiting for the Pool/Windows Fabric to settle down first.
Get status - Get-Service | ? {$_.displayname –like “*Lync Server*”} | select status,displayname
Start all Lync services - Start-CSWindowsService
Stop all Lync services - Stop-CsWindowsService -Graceful
Disable all Lync services - Get-Service | ? {$_.displayname –like “*Lync Server*”} | Set-Service -StartupType disabled
Enable all Lync services - Get-Service | ? {$_.displayname –like “*Lync Server*”} | Set-Service -StartupType Automatic