$ curl cheat.sh/

# hostname
# Show or set the system's host name.
# More information: <https://manned.org/hostname>.

# Show current host name:
hostname

# Show the network address of the host name:
hostname -i

# Show all network addresses of the host:
hostname -I

# Show the FQDN (Fully Qualified Domain Name):
hostname --fqdn

# Set current host name:
hostname new_hostname

$

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