Hi, you can't use linux command to manage ESXi configuration.
You may use esxcgf* commands which are going to be dismissed or esxcli.
Useful info may be found in:
https://www.vmware.com/support/pubs/vsphere-esxi-vcenter-server-pubs.html (bottom of the page)
and
http://pubs.vmware.com/vsphere-50/topic/com.vmware.vma.doc_50/vima_Preface.html
My 2 cents
Sam
samcer| http://about.me/samcer | http://www.vm-support.it/ | @samuelecerutti