https://community.hpe.com/t5/disk/securely-erasing-a-disk/m-p/3556630#M5520 dd if=/dev/zero of=/dev/rdsk/c12t0d5<BR /><BR />if your system (HP-UX 11.x) has not /dev/zero, you must create using:<BR /><BR /> cd /dev<BR /> mknod zero c 3 0x000004<BR /> chown bin:sys zero<BR /> chmod 444 zero<BR /><BR />If you prefer fill your disk with random data instead of zeroes, you should use /dev/random or /dev/urandom. If your system has not got them, you can download and install the pseudodriver from HP Software web. Fri, 03 Jun 2005 06:28:01 GMT CAS_2 2005-06-03T06:28:01Z https://community.hpe.com/t5/disk/securely-erasing-a-disk/m-p/3556629#M5519 Is there a free tool/program out there to securely erase hp-unix disks?<BR /><BR />Thx,alex Thu, 02 Jun 2005 08:47:24 GMT https://community.hpe.com/t5/disk/securely-erasing-a-disk/m-p/3556629#M5519 Alexander Fonseca 2005-06-02T08:47:24Z https://community.hpe.com/t5/disk/securely-erasing-a-disk/m-p/3556630#M5520 dd if=/dev/zero of=/dev/rdsk/c12t0d5<BR /><BR />if your system (HP-UX 11.x) has not /dev/zero, you must create using:<BR /><BR /> cd /dev<BR /> mknod zero c 3 0x000004<BR /> chown bin:sys zero<BR /> chmod 444 zero<BR /><BR />If you prefer fill your disk with random data instead of zeroes, you should use /dev/random or /dev/urandom. If your system has not got them, you can download and install the pseudodriver from HP Software web. Fri, 03 Jun 2005 06:28:01 GMT https://community.hpe.com/t5/disk/securely-erasing-a-disk/m-p/3556630#M5520 CAS_2 2005-06-03T06:28:01Z