NAME

zeero − Zero out disks prior to rewrite. 

SYNOPSIS

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

DESCRIPTION

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

FLAGS

-dSpecifies 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. 

-fSpecifies silent mode.  This flag does not prompt for a response.  If the -f flag is not used, the user is warned that all data will be erased from /dev/rrz?? and asked for an affirmative response before continuing. 

EXAMPLES

In the following example, the zeero command is used to overwrite partition a with zeros. 

/usr/lbin/zeero /dev/rrz8a

In the following example, the zeero command is used to overwrite the entire disk with zeros. 

/usr/lbin/zeero /dev/rrz8c

FILES

/usr/lbin/zeero