.\" Copyright (c) 1986, 1993
.\"	The Regents of the University of California.  All rights reserved.
.\"
.\" Copyright (C) Caldera International Inc. 2001-2002.  All rights reserved.
.\" 
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions are
.\" met:
.\" 
.\" Redistributions of source code and documentation must retain the above
.\" copyright notice, this list of conditions and the following
.\" disclaimer.
.\" 
.\" 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.
.\" 
.\" All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" 
.\" This product includes software developed or owned by Caldera
.\" International, Inc.  Neither the name of Caldera International, Inc.
.\" nor the names of other contributors may be used to endorse or promote
.\" products derived from this software without specific prior written
.\" permission.
.\" 
.\" USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
.\" INTERNATIONAL, 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 CALDERA INTERNATIONAL, INC. 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) RISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\" 
.PS
.ps 9
[
	PUOFT: [
		A: box invis ht .4i wid 1i "Per-User Open" "File Table"
		B: box ht .25i with .n at A.s
		C: box with .n at B.s
		D: box ht .25i with .n at C.s
	]
	move down 1.0625i left 1.25i from PUOFT.D.s
	OFT: [
		A: box invis ht .4i wid 1i "Open File" "Table"
		B: box ht .25i with .n at A.s
		C: box with .n at B.s
		D: box ht .25i with .n at C.s
	]
	move down 1.0625i right 1.25i from PUOFT.D.s
	AIT: [
		A: box invis ht .4i wid 1i "Active I-node" "Table"
		B: box ht .25i with .n at A.s
		C: box with .n at B.s
		D: box ht .25i with .n at C.s
	]
	move down 2.5i from PUOFT.D.s
	IF: [
		A: box ht .25i
		B: box ht .25i "I-node" with .n at A.s
		C: box ht .25i with .n at B.s
		D: box ht .25i "File" with .n at C.s
		E: box ht .25i with .n at D.s
	]
	move right 1.5i from IF.D.w
	FMA: [
		box invis "File" "Mapping" "Algorithms"
	]
	line from FMA.ne to FMA.se
	line from FMA.nw to FMA.sw
	line left .15i from FMA.se
	line left .15i from FMA.ne
	line right .15i from FMA.nw
	line right .15i from FMA.sw

	arrow from FMA.w to IF.D.e
	arrow from AIT.C.e right .25i then down 2.125i then left .5i
	arrow from OFT.C.e to AIT.C.w
	arrow from PUOFT.C.w left .5i then down 1.625i then left .5i
	arrow <-> from IF.B.e right .5i then up 1.5i then right .5i

	move up .1875i from OFT.A.nw
	line right 5i
	move left 5i down 1.9375i
	line right 5i

	move up 1.63475i right 2.75i from PUOFT.D.s
	line right .1i down .1i then down .6i then right .1i down .1i then left .1i down .1i then down .6i then left .1i down .1i
	move down .34375i right 2.75i from PUOFT.D.s
	line right .1i down .1i then down .6i then right .1i down .1i then left .1i down .1i then down .6i then left .1i down .1i
	move down 2.34375i right 2.75i from PUOFT.D.s
	line right .1i down .1i then down .6i then right .1i down .1i then left .1i down .1i then down .6i then left .1i down .1i

	move up 0.817375i right 2.9i from PUOFT.D.s
	box invis "Swapped" "Per User"
	move down 1.15625i right 2.9i from PUOFT.D.s
	box invis wid 1i "Resident" "Per System"
	move down 3.15675i right 2.9i from PUOFT.D.s
	box invis ht 1i wid 1i "Secondary" "Storage" "Per" "File System"
]
.PE