1)What is meant Host ID of a system?
2)How to Change the Host ID of a System?
3)for what purpose we change the Host ID of a system?

Answer Posted / deepunix

1. Basically it is System Identity Number and it is permanent. using hostid command you can view hostid of your system. hostid information resides in Boot PROM (NVRAM).

# hostid

2. For temp usage you can modify this hostid, but not permanent.

3. Application Licenses purpose.

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