2011-08-08 ISC Internet Systems Consortium, Inc. genrandom 8 BIND9 genrandom generate a file containing random data 2009 2010 2011 2014 2015 2016 2018 2019 Internet Systems Consortium, Inc. ("ISC") genrandom -n number size filename genrandom generates a file or a set of files containing a specified quantity of pseudo-random data, which can be used as a source of entropy for other commands on systems with no random device. -n number In place of generating one file, generates number (from 2 to 9) files, appending number to the name. size The size of the file, in kilobytes, to generate. filename The file name into which random data should be written. rand3 , arc4random3