zeero - Zero out disks prior to rewrite.
/usr/lbin/zeero [ -d ] [ -f ] device
The zeero command writes zeros throughout a disk partition including the disk label. You must be super user to use this command.
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 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.
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
/usr/lbin/zeero delim off