genrandom — generate a file containing random data
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.
In place of generating one file, generates
(from 2 to 9) files, appending
number to the name.
The size of the file, in kilobytes, to generate.
The file name into which random data should be written.