Thanks so much…now it’s much more understandable, I didn’t really expect you to do this I was expressing what it’s like for a person as myself to be in the company of those who know….Jonathan Fletcher is another in the group that is a master at FileMaker, I mean this guy is amazing…I love being able to say I know a few folks like you guys.
John > On Feb 3, 2017, at 12:22 PM, Lee Larson <[email protected]> wrote: > > On Feb 3, 2017, at 11:57 AM, John Robinson <[email protected] > <mailto:[email protected]>> wrote: > >> Wish I knew what you were talking about > > Nothing deep going on here. It’s just a discussion about how to really make > sure nobody can recover file deleted from a hard drive. > > “rm filename” is the standard terminal command to remove a file using the > terminal. All it does is remove the file from the hard drive’s directory > while leaving the file’s data on the drive. Clever software can sometimes > still find the file’s data. This is roughly the same as removing a card from > the library’s card catalog without taking the book off the shelf. > > “srm filename” removes the file from the drive’s directory and overwrites the > data on the hard drive once so the file's contents can’t be recovered. This > takes the card from the library’s catalog and the book from the shelf. > > “rm -P filename” is an option to the standard terminal deletion command that > removes the file from the disk’s directory and overwrites the previous data > three times with 0s and 1s. This is like removing the card from the library’s > catalog, burning the book and then scattering the ashes. > > The problem pointed out by R. D. Preston is the srm command used to be > available in the terminal of macOS, but disappeared in Sierra. The rm command > is still there. > > L^2 > > > > > > > _______________________________________________ > MacGroup mailing list > Posting address: [email protected] > Archive: <http://www.mail-archive.com/[email protected]/> > Answers to questions: <http://erdos.math.louisville.edu/macgroup/>
_______________________________________________ MacGroup mailing list Posting address: [email protected] Archive: <http://www.mail-archive.com/[email protected]/> Answers to questions: <http://erdos.math.louisville.edu/macgroup/>
