Get the fantastic VMware reference posters
Unless you are a photographic memory super VCDX you probably don’t have every single ESXi command line, PowerCLI Cmdlet or vCloud Networking construct available in memory.
Luckily for the rest of us normal people, VMware has released some fantastic posters detailing these topics in an easy to grab format which you can download for your pleasure.
They are large format .PDF posters so you can print them out and either impress your friends with your techy wall art or have them handy on your smart phone just when you need to troubleshoot a problem.
VMware ESXi 5.1 Reference
VMware Management with PowerCLI 5.1
VMware vCloud Networking