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hostid:tldr:916e0

hostid: Display the numeric identifier for the current host in hexadecimal.
$ hostid
try on your machine

The command hostid is used to display the unique identifier (host ID) of the current system. It is commonly used in UNIX-like operating systems.

The host ID is a 32-bit or 128-bit value that represents the network address of the system or the unique identifier assigned to it. It is used by various network protocols and systems to uniquely identify a particular machine.

By running the hostid command, the system will return the host ID in hexadecimal format. This value can be useful for certain administrative tasks, network configuration, or troubleshooting purposes.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.
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