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Linux in a Nutshell, 6th Edition by Robert Love, Stephen Figgins, Ellen Siever, Arnold Robbins

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Host Information

Command

Action

arch

Print machine architecture.

dig

Query Internet domain nameservers.

domainname

Print NIS domain name.

free

Print memory usage.

host

Print host and zone information.

hostname

Print or set hostname.

uname

Print host information.

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