26 lines
803 B
Markdown
26 lines
803 B
Markdown
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# The `hostname` command
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`hostname` is used to display the system's DNS name, and to display or set its hostname or NIS domain name.
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### Syntax:
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```
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hostname [-a|--alias] [-d|--domain] [-f|--fqdn|--long] [-A|--all-fqdns] [-i|--ip-address] [-I|--all-ip-addresses] [-s|--short] [-y|--yp|--nis]
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```
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### Examples:
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1. ``` hostname -a, hostname --alias ```
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Display the alias name of the host (if used). This option is deprecated and should not be used anymore.
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2. ```hostname -s, hostname --short```
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Display the short host name. This is the host name cut at the first dot.
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3. ```hostname -V, hostname --version```
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Print version information on standard output and exit successfully.
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### Help Command
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Run below command to view the complete guide to `hostname` command.
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```
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man hostname
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```
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