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Linux in a Nutshell

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.

Buy it now, or read it online on Safari Bookshelf.


hostname [option] [nameofhost]

Set or display name of current host system. A privileged user can set the hostname with the nameofhost argument.


-a, --alias

Display the alias name of the host (if used).

-d, --domain

Display DNS domain name.

-f, --fqdn, --long

Display fully qualified domain name.

-F file, --file file

Consult file for hostname.

-h, --help

Display a help message and then exit.

-i, --ip-address

Display the IP address(es) of the host.

-n, --node

Display or set the DECnet node name.

-s, --short

Trim domain information from the display output.

-v, --verbose

Verbose mode.

-V, --version

Display version information and then exit.

-y, --yp, --nis

Display the NIS domain name. A privileged user can set a new NIS domain name with nameofhost.

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