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FORMAT(8S)                                                          FORMAT(8S)



NAME
       format - disk partitioning and maintenance utility

SYNOPSIS
       format  [ -f command-file ] [ -l log-file ] [ -x data-file ] [ -d disk-
       name ] [ -t disk_type ]
       [ -p partition-name ] [ -s ] diskname...

DESCRIPTION
       format enables you to format, label, repair and analyze disks  on  your
       Sun  computer.   Unlike previous disk maintenance programs, format runs
       under SunOS. Because there are limitations to what can be done  to  the
       system  disk  while  the  system  is  running, format is also supported
       within the memory-resident system environment.  For most  applications,
       however, running format under SunOS is the more convenient approach.

       If  no  disk-list  is present, format uses the disk list defined in the
       data file specified with the -x option.  If that option is omitted, the
       data  file  defaults  to  format.dat  in the current directory, or else
       /etc/format.dat.

OPTIONS
       -f command-file
              Take command input from command-file rather  than  the  standard
              input.   The file must contain commands that appear just as they
              would if they had been entered from  the  keyboard.   With  this
              option, format does not issue continue?  prompts.

       -l log-file
              Log  a  transcript  of  the format session to the indicated log-
              file, including the standard input, the standard output and  the
              standard error.

       -x data-file
              Use the disk list contained in data-file.

       -d disk_name
              Specify  which  disk  should be made current upon entry into the
              program.  The  disk  is  specified  by  its  logical  name  (for
              instance,  - xy0). This can also be accomplished by specifying a
              single disk in the disk list.

       -t disk-type
              Specify the type of disk which is current upon  entry  into  the
              program,  A  disk's  type is specified by name in the data file.
              This option can only be used if a disk is being made current  as
              described above.

       -p partition-name
              Specify  the  partition table for the disk which is current upon
              entry into the program. The table is specified by  its  name  as
              defined  in  the  data  file.  This option can only be used if a
              disk is being made current, and its type is either specified  or
              available from the disk label.

       -s     Silent.   Suppress  all  of the standard output.  Error messages
              are still displayed.  This is generally used in conjunction with
              the -f option.

FILES
       /etc/format.dat     default data file

SEE ALSO
                                20 January 1988                     FORMAT(8S)