include/pidfd-utils: remove hardcoded syscall fallback

[thirdparty/util-linux.git] / misc-utils / mcookie.1

diff --git a/misc-utils/mcookie.1 b/misc-utils/mcookie.1
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--- a/misc-utils/mcookie.1
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-.\" mcookie.1 --
-.\" Public Domain 1995 Rickard E. Faith (faith@cs.unc.edu)
-.TH MCOOKIE 1 "March 2014" "util-linux" "User Commands"
-.SH NAME
-mcookie \- generate magic cookies for xauth
-.SH SYNOPSIS
-.B mcookie
-[\fIoptions\fR]
-.SH DESCRIPTION
-.B mcookie
-generates a 128-bit random hexadecimal number for use with the X authority
-system.  Typical usage:
-.RS
-xauth add :0 . `mcookie`
-.RE
-.PP
-The "random" number generated is actually the output of the MD5 message
-digest fed with random information from one of the sources
-.IR /dev/urandom ,
-.IR /dev/random ,
-or
-.I "libc pseudo-random functions"
-in this preference order.
-.SH OPTIONS
-.TP
-\fB\-f\fR, \fB\-\-file\fR=\fIFILE\fR
-Use additional file as a macig cookie random seed.  When file is defined
-as '-' character input is read from stdin.
-.TP
-\fB\-m\fR, \fB\-\-max\-size\fR=\fInumber\fR
-Read form
-.I FILE
-only
-.I number
-of bytes.  This option is meant to be used when reading additional
-randomness from a device.
-.IP
-The
-.I 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.
-.TP
-\fB\-v\fR, \fB\-\-verbose\fR
-Inform where randomness originated, with amount of entropy read from each
-source.
-.TP
-\fB\-V\fR, \fB\-\-version\fR
-Display version information and exit.
-.TP
-\fB\-h\fR, \fB\-\-help\fR
-Display help text and exit.
-.SH BUGS
-It is assumed that none of the randomness sources will block.
-.SH FILES
-.I /dev/urandom
-.br
-.I /dev/random
-.SH "SEE ALSO"
-.BR X (1),
-.BR xauth (1),
-.BR md5sum (1),
-.BR rand (3)
-.SH AVAILABILITY
-The mcookie command is part of the util-linux package and is available from
-.UR ftp://\:ftp.kernel.org\:/pub\:/linux\:/utils\:/util-linux/
-Linux Kernel Archive
-.UE .