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Add orders man page

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PR:		239020
Submitted by:	gbe@
Approved by:	imp@
Obtained from:	NetBSD
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D24293
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Sergio Carlavilla Delgado 2020-07-11 18:27:05 +00:00
parent 9d4c84dea4
commit 45b34f2cce
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share/man/man7/Makefile
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@ -21,6 +21,7 @@ MAN= arch.7 \
intro.7 \
maclabel.7 \
operator.7 \
orders.7 \
ports.7 \
release.7 \
sdoc.7 \

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share/man/man7/orders.7 Normal file
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.\" $NetBSD: orders.7,v 1.6 2011/08/06 11:07:18 jruoho Exp $
.\"
.\" Copyright (c) 2010 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Jukka Ruohonen.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd August 6, 2011
.Dt ORDERS 7
.Os
.Sh NAME
.Nm orders
.Nd orders of magnitude
.Sh DESCRIPTION
The following table lists common multiples of bytes.
.Bl -column -offset 2n \
"Kilobyte" "Prefix" "Power of 2" "Power of 10"
.It Sy Name Ta Sy Prefix Ta Sy Power of 2 Ta Sy Power of 10
.It Kilobyte Ta kB Ta 2^10 Ta 10^3
.It Megabyte Ta MB Ta 2^20 Ta 10^6
.It Gigabyte Ta GB Ta 2^30 Ta 10^9
.It Terabyte Ta TB Ta 2^40 Ta 10^12
.It Petabyte Ta PB Ta 2^50 Ta 10^15
.It Exabyte Ta EB Ta 2^60 Ta 10^18
.It Zettabyte Ta ZB Ta 2^70 Ta 10^21
.It Yottabyte Ta YB Ta 2^80 Ta 10^24
.El
.Pp
The following table lists common bit rates as a power of ten.
.Bl -column -offset 2n \
"Megabit per second" "Prefix" "Bit per second" "Byte per second"
.It Sy Name Ta Sy Prefix Ta Sy Bit per second Ta Sy Byte per second
.It Bit per second Ta bit/s Ta 1 Ta 0.125
.It Byte per second Ta B/s Ta 8 Ta 1
.It Kilobit per second Ta kbit/s Ta 10^3 Ta 125
.It Kilobyte per second Ta kB/s Ta 8 * 10^3 Ta 1000
.It Megabit per second Ta Mbit/s Ta 10^6 Ta 125000
.It Megabyte per second Ta MB/s Ta 8 * 10^6 Ta 1000000
.It Gigabit per second Ta Gbit/s Ta 10^9 Ta 125000000
.It Gigabyte per second Ta GB/s Ta 8 * 10^9 Ta 1000000000
.It Terabit per second Ta Tbit/s Ta 10^12 Ta 125000000000
.It Terabyte per second Ta TB/s Ta 8 * 10^12 Ta 1000000000000
.El
.Pp
The following table lists common orders of magnitude as a power of ten.
.Bl -column -offset 2n \
"Septillionth" "Order" "Prefix" "Symbol" "Decimal"
.It Sy Name Ta Sy Order Ta Sy Prefix Ta Sy Symbol Ta Sy Decimal
.It Septillionth Ta 10^-24 Ta yocto Ta y Ta 0.000000000000000000000001
.It Sextillionth Ta 10^-21 Ta zepto Ta z Ta 0.000000000000000000001
.It Quintillionth Ta 10^-18 Ta atto Ta a Ta 0.000000000000000001
.It Quadrillionth Ta 10^-15 Ta femto Ta f Ta 0.000000000000001
.It Trillionth Ta 10^-12 Ta pico Ta p Ta 0.000000000001
.It Billionth Ta 10^-9 Ta nano Ta n Ta 0.000000001
.It Millionth Ta 10^-6 Ta micro Ta mu Ta 0.000001
.It Thousandth Ta 10^-3 Ta milli Ta m Ta 0.001
.It Hundredth Ta 10^-2 Ta centi Ta c Ta 0.01
.It Tenth Ta 10^-1 Ta deci Ta d Ta 0.1
.It One Ta 10^0 Ta - Ta - Ta 1
.It Ten Ta 10^1 Ta deca Ta da Ta 10
.It Hundred Ta 10^2 Ta hecto Ta h Ta 100
.It Thousand Ta 10^3 Ta kilo Ta k Ta 1000
.It Million Ta 10^6 Ta mega Ta M Ta 1000000
.It Billion Ta 10^9 Ta giga Ta G Ta 1000000000
.It Trillion Ta 10^12 Ta tera Ta T Ta 1000000000000
.It Quadrillion Ta 10^15 Ta peta Ta P Ta 1000000000000000
.It Quintillion Ta 10^18 Ta exa Ta E Ta 1000000000000000000
.It Sextillion Ta 10^21 Ta zetta Ta Z Ta 1000000000000000000000
.It Septillion Ta 10^24 Ta yotta Ta Y Ta 1000000000000000000000000
.El
.Sh SEE ALSO
.Xr units 1 ,
.Xr number 6
.Sh STANDARDS
There have been various attempts to standardize the set of binary prefixes.
Organizations such as International Electrotechnical Commission
.Pq Tn IEC
have proposed new prefixes such as
.Dq kibi ,
.Dq mebi ,
.Dq gibi ,
and
.Dq yobi ,
but the adoption has been slow at best.
.Sh AUTHORS
This manual page was written by
.An Jukka Ruohonen Aq Mt jruoho@netbsd.org .