Sprinkle some markup.
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.\" $NetBSD: environ.7,v 1.22 2010/03/22 18:58:32 joerg Exp $
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.\" $NetBSD: environ.7,v 1.23 2011/01/19 04:00:21 uwe Exp $
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.\"
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.\" Copyright (c) 1983, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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.Nm environ
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.Nd user process environment
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.Sh SYNOPSIS
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.Ar extern char **environ ;
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.Vt extern char ** Ns Dv environ ;
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.Sh DESCRIPTION
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An array of strings called the
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.Em environment
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@ -46,7 +46,7 @@ when a process begins.
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By convention these strings have the form
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.Dq Ar name=value .
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The following names are used by various commands:
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.Bl -tag -width LIBC_DIAGASSERT
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.Bl -tag -width ".Ev LIBC_DIAGASSERT"
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.It Ev AUDIOCTLDEVICE
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The name of the audio control device to be used by
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.Xr audioctl 1 ,
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.Ev BLOCKSIZE
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may be specified in units of a byte by specifying a number,
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in units of a kilobyte by specifying a number followed by
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.Dq K
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.Ql K
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or
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.Dq k ,
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.Ql k ,
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in units of a megabyte by specifying a number followed by
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.Dq M
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.Ql M
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or
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.Dq m
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.Ql m
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and in units of a gigabyte by specifying a number followed
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by
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.Dq G
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.Ql G
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or
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.Dq g .
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.Ql g .
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Sizes less than 512 bytes or greater than a gigabyte are ignored.
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.It Ev EXINIT
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A startup list of commands read by
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@ -160,8 +160,11 @@ The sequence of directories, separated by colons, searched by
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.Xr system 3 ,
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.Xr execvp 3 ,
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etc, when looking for an executable file.
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PATH is set to
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.Dq /usr/bin:/bin:/usr/pkg/bin:/usr/local/bin
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.Ev PATH
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is set to
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.Pp
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.Dl /usr/bin:/bin:/usr/pkg/bin:/usr/local/bin
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.Pp
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initially by
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.Xr login 1 .
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.It Ev PRINTER
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.Pq Xr termcap 5
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for a list of terminal types.
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.It Ev TERMCAP
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The string describing the terminal in TERM, or, if
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it begins with a '/', the name of the termcap file.
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The string describing the terminal in
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.Ev TERM ,
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or, if it begins with a
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.Ql / ,
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the name of the termcap file.
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See
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.Ev TERMPATH
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below,
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is equivalent to a
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.Ev TERMPATH
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of
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.Dq Pa $HOME/.termcap:/usr/share/misc/termcap .
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.Pp
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.Dl $HOME/.termcap:/usr/share/misc/termcap
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.Pp
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.Ev TERMPATH
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is ignored if
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.Ev TERMCAP
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The normal format is a pathname relative to
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.Pa /usr/share/zoneinfo .
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For example, the command
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.Ic env TZ=US/Pacific date
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.Pp
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.Dl env TZ=US/Pacific date
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.Pp
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displays the current time in California.
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See
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.Xr tzset 3
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