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+.\" Copyright 2017 Red Hat, Inc.
+.\"
+.\" This file may be copied under the terms of the GNU Public License.
+.TH FINCORE 1 "March 2017" "util-linux" "User Commands"
+.SH NAME
+fincore \- count pages of file contents in core
+.SH SYNOPSIS
+.B fincore
+[options]
+.I file ...
+.SH DESCRIPTION
+.B fincore
+counts pages of file contents being resident in memory (in core), and reports
+the numbers. If an error occurs during counting, then an error message is
+printed to the stderr and
+.B fincore
+continues processing the rest of files listed in a command line.
+
+The default output is subject to change. So whenever possible, you should
+avoid using default outputs in your scripts. Always explicitly define expected
+columns by using
+.B \-\-output
+.I columns-list
+in environments where a stable output is required.
+.SH OPTIONS
+.TP
+.BR \-n , " \-\-noheadings"
+Do not print a header line in status output.
+.TP
+.BR \-b , " \-\-bytes"
+Print the SIZE column in bytes rather than in a human-readable format.
+.TP
+.BR \-o , " \-\-output \fIlist\fP"
+Define output columns. See the \fB\-\-help\fP output to get a list of the
+currently supported columns. The default list of columns may be extended if \fIlist\fP is
+specified in the format \fI+list\fP.
+.TP
+.BR \-r , " \-\-raw"
+Produce output in raw format. All potentially unsafe characters are hex-escaped
+(\\x<code>).
+.TP
+.BR \-J , " \-\-json"
+Use JSON output format.
+.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 AUTHORS
+.MT yamato@\:redhat.com
+Masatake YAMATO
+.ME
+.SH SEE ALSO
+.BR mincore (2),
+.BR getpagesize (2),
+.BR getconf (1p)
+.SH AVAILABILITY
+The fincore command is part of the util-linux package and is available from
+.UR https://\:www.kernel.org\:/pub\:/linux\:/utils\:/util-linux/
+Linux Kernel Archive
+.UE .