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Such as what?<br />
<br />
END { statements }<br />
The statements are executed once after all input has been read. <br />
<br />
What might you do after? AND does this operate on what has been read or is it for use when all that processing has finished?
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Such as what?

END { statements }
The statements are executed once after all input has been read. 

What might you do after? AND does this operate on what has been read or is it for use when all that processing has finished?

AWK:  END { statements }

The term 'shell' refers to a general class of text-based command interpreters most often associated with the UNIX and Linux operating systems. Popular shells include Bourne, Debian Almquist (dash), Korn (ksh), Bourne Again (bash) and the C shell family (csh). Some view the DOS 'cmd' prompt as a minimal shell of sorts. It is also possible to install Cygwin on Windows and emulate a full Unix environment with complete shell capabilities. Terminal emulators, such as xterm, GNOME Terminal and OS X Terminal, can be used to access shell.