command: domainname
usage: show or set the system's NIS/YP domain name
syntax: # domainname [options]
examples:
1. To print short host name
$ domainname -s
2. To print alias names of domainname
$ domainame -a
3. To print addresses for the hostname
$ domainname -i
4. To print all addresses for the host
$ domainname -I
5. To print long host name (FQDN)
$ domainname -f
6. To all long host names (FQDNs)
$ domainname -A
7. To print DNS domainname
$ domainname -d
8. To print NIS/YP domain name
$ domainname -y
9. To set default hostname if none available
$ domainname -b
10. To Read the host name from the specified file
$ domainname -F
11. To print a usage message and exit
$ domainname -h
regards,
dhanasekar
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