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The -V option
This option displays the version information for a running copy of GAWK as well as license info. This allows you to determine whether your copy of GAWK is up to date with respect to whatever the Free Software Foundation (FSF) is currently distributing. This can be done as shown in the following code block:
$ awk -V
It can also be performed as follows:
$ awk --version
The output on execution of the preceding code is:
