IIRC, wipe may not function as expected because, when you rewrite parts of an HFS, I think that new pages will be assigned within the HFS and a new copy of the data is written. The old pages are not over-written.
Bill On Tue, 4 Sep 2007 08:45:07 -0500, McKown, John <[EMAIL PROTECTED]> wrote: >> -----Original Message----- >> From: IBM Mainframe Discussion List >> [mailto:[EMAIL PROTECTED] On Behalf Of Mark Jacobs >> Sent: Monday, September 03, 2007 7:50 PM >> To: IBM-MAIN@BAMA.UA.EDU >> Subject: Secure Delete for OMVS files >> >> >> Is there a command or program available to erase the data in >> a file that >> resides in an HFS or ZFS filing system prior to its deletion? Our >> security officer asked me and I wasn't able to find something >> on my own. >> >> Mark Jacobs > >I don't know of any command which comes with z/OS which will do this. If >you have a C compiler, you might want to try "wipe". > >http://wipe.sourceforge.net/ > >I could possibly generate a shell script to do something similar using >"dd" to overwrite the file with binary zeros before doing the "rm". > >-- >John McKown >Senior Systems Programmer >HealthMarkets >Keeping the Promise of Affordable Coverage >Administrative Services Group >Information Technology > >The information contained in this e-mail message may be privileged >and/or confidential. It is for intended addressee(s) only. If you are >not the intended recipient, you are hereby notified that any disclosure, >reproduction, distribution or other use of this communication is >strictly prohibited and could, in certain circumstances, be a criminal >offense. If you have received this e-mail in error, please notify the >sender by reply and delete this message without copying or disclosing >it. > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
