'\" te
.\"  Copyright (c) 1996, Sun Microsystems, Inc.  All Rights Reserved
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.TH FSIRAND 8 "Sep 16, 1996"
.SH NAME
fsirand \- install random inode generation numbers
.SH SYNOPSIS
.LP
.nf
\fBfsirand\fR [\fB-p\fR] \fIspecial\fR
.fi

.SH DESCRIPTION
.sp
.LP
\fBfsirand\fR installs random inode generation numbers on all the inodes on
device \fIspecial\fR, and also installs a file system \fBID\fR in the
superblock. This helps increase the security of file systems exported by
\fBNFS.\fR
.sp
.LP
\fBfsirand\fR must be used only on an unmounted file system that has been
checked with \fBfsck\fR(8) The only exception is that it can be used on the
root file system in single-user mode, if the system is immediately re-booted
afterwards.
.SH OPTIONS
.sp
.ne 2
.na
\fB\fB-p\fR\fR
.ad
.RS 6n
Print out the generation numbers for all the inodes, but do not change the
generation numbers.
.RE

.SH USAGE
.sp
.LP
See \fBlargefile\fR(7) for the description of the behavior of \fBfsirand\fR
when encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).
.SH SEE ALSO
.sp
.LP
.BR attributes (7),
.BR largefile (7),
.BR fsck (8)