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builtin

Run a shell builtin, passing it args, and return its exit status.

SYNTAX 
      builtin [shell-builtin [args]]

This is useful when defining a shell function with the same name as a shell builtin, retaining the functionality of the builtin within the function.

For example, to write a function to replace `cd'
that writes the hostname and current directory 
to an xterm title bar:

	cd()

	{

		builtin cd "$@" && xtitle "$HOST: $PWD"

	}

The return status is non-zero if shell-builtin is not a shell builtin command.