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=={{header|AWK}}==
=={{header|AWK}}==

{{noticebox||WARNING: the following purported solution makes an assumption about environment variables that may not be applicable in all circumstances.}}
<lang awk>$ awk 'BEGIN{print ENVIRON["HOST"]}'
<lang awk>$ awk 'BEGIN{print ENVIRON["HOST"]}'
E51A08ZD</lang>
E51A08ZD</lang>