Get-Service
Get-Service -Name *SQL*
Get-Service -DisplayName *SQL*
Get-Service -ComputerName myServer
Get-Service -Name SQLSERVERAGENT -RequiredServices
Get-Service -Name MSSQLSERVER -DependentServices
Start-Service -Name MSSQLSERVER
Restart-Service -Name MSSQLSERVER -Force
The -force flag is required because SQLSERVERAGENT is a dependent of MSSQLSERVERRestart-Service -Name SQLSERVERAGENT
Stop-Service -Name MSSQLSERVER
Stop-Service -Name *SQL*