43 lines
996 B
Diff
43 lines
996 B
Diff
diff --git a/hostname.1 b/hostname.1
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index 74dd306..02eefa7 100644
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--- a/hostname.1
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+++ b/hostname.1
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@@ -80,6 +80,28 @@ complete FQDN of the system is returned with
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.B THE FQDN
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below).
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+.LP
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+The function
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+.BR gethostname(2)
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+is used to get the hostname. When the
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+.BR "hostname \-a, \-d, \-f or \-i"
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+is called will
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+.BR gethostbyname(3)
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+be called. The difference in
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+.BR gethostname(2)
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+and
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+.BR gethostbyname(3)
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+is that
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+.BR gethostbyname(5)
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+is network aware, so it consults
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+.IR /etc/nsswitch.conf
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+and
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+.IR /etc/host.conf
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+to decide whether to read information in
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+.IR /etc/hostname
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+or
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+.IR /etc/hosts
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+
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.SS "SET NAME"
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When called with one argument or with the
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.B \-\-file
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@@ -105,8 +127,7 @@ command (see
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.B THE FQDN
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below).
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.LP
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-The host name is usually set once at system startup in
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-.I /etc/init.d/hostname.sh
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+The host name is usually set once at system startup
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(normally by reading the contents of a file which contains
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the host name, e.g.
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.IR /etc/hostname ).
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