'\" te
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.TH prtvtoc 1M "25 Jul 2002" "SunOS 5.11" "System Administration Commands"
.SH NAME
prtvtoc \- report information about a disk geometry and partitioning
.SH SYNOPSIS
.LP
.nf
\fBprtvtoc\fR [\fB-fhs\fR] [\fB-t\fR \fIvfstab\fR] [\fB-m\fR \fImnttab\fR] \fIdevice\fR
.fi

.SH DESCRIPTION
.sp
.LP
The \fBprtvtoc\fR command allows the contents of the label to be viewed. The
command can be used only by the super-user.
.sp
.LP
The \fIdevice\fR name can be the file name of a raw device in the form of
\fB/dev/rdsk/c?t?d?s2\fR or can be the file name of a block device in the form
of \fB/dev/dsk/c?t?d?s2\fR.
.SH OPTIONS
.sp
.LP
The following options are supported:
.sp
.ne 2
.mk
.na
\fB\fB-f\fR\fR
.ad
.RS 13n
.rt  
Report on the disk free space, including the starting block address of the free
space, number of blocks, and unused partitions.
.RE

.sp
.ne 2
.mk
.na
\fB\fB-h\fR\fR
.ad
.RS 13n
.rt  
Omit the headers from the normal output.
.RE

.sp
.ne 2
.mk
.na
\fB\fB-m\fR\fI mnttab\fR\fR
.ad
.RS 13n
.rt  
Use \fImnttab\fR as the list of mounted filesystems, in place of
\fB/etc/mnttab\fR.
.RE

.sp
.ne 2
.mk
.na
\fB\fB-s\fR\fR
.ad
.RS 13n
.rt  
Omit all headers but the column header from the normal output.
.RE

.sp
.ne 2
.mk
.na
\fB\fB-t\fR\fI vfstab\fR\fR
.ad
.RS 13n
.rt  
Use \fIvfstab\fR as the list of filesystem defaults, in place of
\fB/etc/vfstab\fR.
.RE

.SH EXAMPLES
.LP
\fBExample 1 \fRUsing the \fBprtvtoc\fR Command
.sp
.LP
The following example uses the \fBprtvtoc\fR command on a 424-megabyte hard
disk:

.sp
.in +2
.nf
example# prtvtoc /dev/rdsk/c0t3d0s2
* /dev/rdsk/c0t3d0s2 partition map
*
* Dimension:
*     512 bytes/sector
*      80 sectors/track
*       9 tracks/cylinder
*     720 sectors/cylinder
*    2500 cylinders
*    1151 accessible cylinders
*
* Flags:
*   1: unmountable
*  10: read-only
* *                           First    Sector   Last
* Partition   Tag   Flags   Sector   Count    Sector   Mount Directory
     0         2     00          0    76320    76319   /
     1         3     01      76320   132480   208799
     2         5     00          0   828720   828719
     5         6     00     208800   131760   340559   /opt
     6         4     00     340560   447120   787679   /usr
     7         8     00     787680    41040   828719   /export/home
example#
.fi
.in -2
.sp

.sp
.LP
The data in the \fBTag\fR column above indicates the type of partition, as
follows:

.sp

.sp
.TS
tab();
cw(2.5i) cw(3i) 
lw(2.5i) lw(3i) 
.
\fIName\fR\fINumber\fR
UNASSIGNED0x00
BOOT0x01
ROOT0x02
SWAP0x03
USR0x04
BACKUP0x05
STAND0x06
VAR0x07
HOME0x08
ALTSCTR 0x09
CACHE0x0a
RESERVED0x0b
.TE

.sp
.LP
The data in the \fBFlags\fR column above indicates how the partition is to be
mounted, as follows:

.sp

.sp
.TS
tab();
lw(2.5i) lw(3i) 
lw(2.5i) lw(3i) 
.
\fIName\fR\fINumber\fR
MOUNTABLE, READ AND WRITE0x00
NOT MOUNTABLE0x01
MOUNTABLE, READ ONLY0x10
.TE

.LP
\fBExample 2 \fRUsing the \fBprtvtoc\fR Command with the \fB-f\fR Option
.sp
.LP
The following example uses the \fBprtvtoc\fR command with the \fB-f\fR option
on a 424-megabyte hard disk:

.sp
.in +2
.nf
example# prtvtoc \fB-f\fR /dev/rdsk/c0t3d0s2
FREE_START=0 FREE_SIZE=0 FREE_COUNT=0 FREE_PART=34
.fi
.in -2
.sp

.LP
\fBExample 3 \fRUsing the \fBprtvtoc\fR Command on a Disk Over One Terabyte
.sp
.LP
The following example uses uses the \fBprtvtoc\fR command on a disk over one
terabyte:.

.sp
.in +2
.nf
example# prtvtoc /dev/rdsk/c1t1d0s2
* /dev/rdsk/c1t1d0s2 partition map
*
* Dimensions:
*     512 bytes/sector
* 3187630080 sectors
* 3187630013 accessible sectors
*
* Flags:
*   1: unmountable
*  10: read-only
*
*                          First     Sector    Last
* Partition  Tag  Flags    Sector     Count    Sector  Mount Directory
0      2    00         34    262144    262177
1      3    01     262178    262144    524321
6      4    00     524322 3187089340 3187613661
8     11    00  3187613662     16384 318763004
.fi
.in -2
.sp

.SH SEE ALSO
.sp
.LP
\fBdevinfo\fR(1M), \fBfmthard\fR(1M), \fBformat\fR(1M), \fBmount\fR(1M),
\fBattributes\fR(5)
.SH WARNINGS
.sp
.LP
The \fBmount\fR command does not check the "not mountable" bit.