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Command: zeero | Section: 8 | Source: Digital UNIX | File: zeero.8.gz
zeero(8) System Manager's Manual zeero(8)
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
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.
EXAMPLES
In the following example, the zeero command is used to overwrite parti-
tion a with zeros. /usr/lbin/zeero /dev/rrz8a In the following exam-
ple, the zeero command is used to overwrite the entire disk with zeros.
/usr/lbin/zeero /dev/rrz8c
FILES
/usr/lbin/zeero delim off
zeero(8)