redirect stdin, stdout and stderr

	std error =  2> 

	std error to the bit bucket:   2>/dev/null

		> file redirects stdout to file
		1> file redirects stdout to file
		2> file redirects stderr to file
		&> file  redirects stdout and stderr to file

		&>/dev/null - everything to the bit bucket - quiet mode for cronttab


example of shutting up stderr:

--> grep vnc /etc/*  2>/dev/null

	(all the error messages just go away and only the grep results show!)

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