PS C:\Windows\system32> Get-ChildItem -Path WSMan:\localhost\Shell


   WSManConfig: Microsoft.WSMan.Management\WSMan::localhost\Shell

Type            Name                           SourceOfValue   Value
----            ----                           -------------   -----
System.String   AllowRemoteShellAccess                         true
System.String   IdleTimeout                                    7200000
System.String   MaxConcurrentUsers                             2147483647
System.String   MaxShellRunTime                                2147483647
System.String   MaxProcessesPerShell                           2147483647
System.String   MaxMemoryPerShellMB                            2147483647
System.String   MaxShellsPerUser                               214748364