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prtvtoc(1M)		System Administration Commands		   prtvtoc(1M)

NAME
       prtvtoc - report	information about a disk geometry and partitioning

SYNOPSIS
       prtvtoc [-fhs] [-t vfstab] [-m mnttab] device

DESCRIPTION
       The  prtvtoc command allows the contents	of the label to	be viewed. The
       command can be used only	by the super-user.

       The device name can be the file name of a raw device  in	 the  form  of
       /dev/rdsk/c?t?d?s2  or  can  be	the file name of a block device	in the
       form of /dev/dsk/c?t?d?s2.

OPTIONS
       The following options are supported:

       -f	       Report on the disk free space, including	 the  starting
		       block  address of the free space, number	of blocks, and
		       unused partitions.

       -h	       Omit the	headers	from the normal	output.

       -m mnttab       Use mnttab as the list of mounted filesystems, in place
		       of /etc/mnttab.

       -s	       Omit  all headers but the column	header from the	normal
		       output.

       -t vfstab       Use vfstab as the list of filesystem defaults, in place
		       of /etc/vfstab.

EXAMPLES
       Example 1: Using	the prtvtoc Command

       The  following  example uses the	prtvtoc	command	on a 424-megabyte hard
       disk:

       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#

       The data	in the Tag column above	indicates the type  of	partition,  as
       follows:

       Name			   Number
       UNASSIGNED		   0x00
       BOOT			   0x01
       ROOT			   0x02
       SWAP			   0x03
       USR			   0x04
       BACKUP			   0x05
       STAND			   0x06
       VAR			   0x07
       HOME			   0x08
       ALTSCTR			    0x09
       CACHE			   0x0a
       RESERVED			   0x0b

       The data	in the Flags column above indicates how	the partition is to be
       mounted,	as follows:

       Name			   Number
       MOUNTABLE, READ AND WRITE   0x00
       NOT MOUNTABLE		   0x01
       MOUNTABLE, READ ONLY	   0x10

       Example 2: Using	the prtvtoc Command with the -f	Option

       The following example uses the prtvtoc command with the -f option on  a
       424-megabyte hard disk:

       example#	prtvtoc	-f /dev/rdsk/c0t3d0s2
       FREE_START=0 FREE_SIZE=0	FREE_COUNT=0 FREE_PART=34

       Example 3: Using	the prtvtoc Command on a Disk Over One Terabyte

       The  following example uses uses	the prtvtoc command on a disk over one
       terabyte:.

       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

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE	TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO
       devinfo(1M), fmthard(1M), format(1M), mount(1M),	attributes(5)

WARNINGS
       The mount command does not check	the "not mountable" bit.

SunOS 5.10			  25 Jul 2002			   prtvtoc(1M)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | ATTRIBUTES | SEE ALSO | WARNINGS

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