NAME    [Toc]    [Back]

       zeero - Zero out disks prior to rewrite.

SYNOPSIS    [Toc]    [Back]

       /usr/lbin/zeero [-d] [-f] device

OPTIONS    [Toc]    [Back]

       Specifies  diagnostic  mode.   Prints  the total number of
       writes and the exit errno.  An exit  status  of  errno  28
       indicates success; zeros were written until the device ran
       out of space.  Specifies silent mode.   This  option  does
       not  prompt for a response.  If the -f option is not used,
       the user is warned that  all  data  will  be  erased  from
       /dev/rdisk/dsk??   and  asked  for an affirmative response
       before continuing.

DESCRIPTION    [Toc]    [Back]

       The zeero command writes zeros throughout a disk partition
       including  the  disk label.  You must be super user to use
       this command.

EXAMPLES    [Toc]    [Back]

       In the following example, the zeero  command  is  used  to
       overwrite   partition   a   with  zeros.   /usr/lbin/zeero
       /dev/rdisk/dsk1a In the following example, the zeero  command
  is  used  to  overwrite  the entire disk with zeros.
       /usr/lbin/zeero /dev/rdisk/dsk0c

FILES    [Toc]    [Back]

                                                         zeero(8)