For a complete list of all esxcli command enter:

esxcli esxcli command list

Examples:

esxcli system version get

esxcli system hostname get 

esxcli network ip interface ipv4 get

esxcli storage filesystem list

vim-cmd solo/registervm /vmfs/volumes/xxxxxxx/vmname/vmname.vmx

vim-cmd vmsvc/getallvms

or

esxcli vm process list

vim-cmd vmsvc/power.on <id>

vim-cmd vmsvc/power.getstate <id>

esxcli network ip dns server list