Networking:

Display all network connection interfaces in gui:
control netconnections

Configure a static ip on the interface "Ethernet" - Use "ipconfig /all" for interface overview (own IP / broadcast domain / gateway) 
netsh interface ipv4 set address name="Ethernet" static 192.168.1.123 255.255.255.0 192.168.1.1

Activate DHCP mode on the interface "Ethernet"  
netsh interface ipv4 set address name="Ethernet" source=dhcp

Show firewall config in graphical interface (netsh advfirewall show):
firewall.cpl


Machine Management:
Computer Management via system control gui:
compmgmt.msc

Show windows version:
winver


Log Management
Log Event Management 
eventvwr.msc

Printer management via gui:
control printers


Configure running services via gui (net start $service)
services.msc


Show taskmanager via gui (tasklist):
taskmgr