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+//po4a: entry man manual
+// mcookie.1 --
+// Public Domain 1995 Rickard E. Faith (faith@cs.unc.edu)
+= mcookie(1)
+:doctype: manpage
+:man manual: User Commands
+:man source: util-linux {release-version}
+:page-layout: base
+:command: mcookie
+
+== NAME
+
+mcookie - generate magic cookies for xauth
+
+== SYNOPSIS
+
+*mcookie* [options]
+
+== DESCRIPTION
+
+*mcookie* generates a 128-bit random hexadecimal number for use with the X authority system. Typical usage:
+
+____
+*xauth add :0 . `mcookie`*
+____
+
+The "random" number generated is actually the MD5 message digest of random information coming from one of the sources *getrandom*(2) system call, _/dev/urandom_, _/dev/random_, or the _libc pseudo-random functions_, in this preference order. See also the option *--file*.
+
+== OPTIONS
+
+*-f*, *--file* _file_::
+Use this _file_ as an additional source of randomness (for example _/dev/urandom_). When _file_ is '-', characters are read from standard input.
+
+*-m*, *--max-size* _number_::
+Read from _file_ only this _number_ of bytes. This option is meant to be used when reading additional randomness from a file or device.
++
+The _number_ argument may be followed by the multiplicative suffixes KiB=1024, MiB=1024*1024, and so on for GiB, TiB, PiB, EiB, ZiB and YiB (the "iB" is optional, e.g., "K" has the same meaning as "KiB") or the suffixes KB=1000, MB=1000*1000, and so on for GB, TB, PB, EB, ZB and YB.
+
+*-v*, *--verbose*::
+Inform where randomness originated, with amount of entropy read from each source.
+
+include::man-common/help-version.adoc[]
+
+== FILES
+
+_/dev/urandom_
+
+_/dev/random_
+
+== BUGS
+
+It is assumed that none of the randomness sources will block.
+
+== SEE ALSO
+
+*md5sum*(1),
+*X*(7),
+*xauth*(1),
+*rand*(3)
+
+include::man-common/bugreports.adoc[]
+
+include::man-common/footer.adoc[]
+
+ifdef::translation[]
+include::man-common/translation.adoc[]
+endif::[]