On Wed, Apr 30, 2014 at 7:48 AM, Ian Lepore <i...@freebsd.org> wrote: > On Wed, 2014-04-30 at 06:20 +0000, Eitan Adler wrote: >> Author: eadler >> Date: Wed Apr 30 06:20:48 2014 >> New Revision: 265132 >> URL: http://svnweb.freebsd.org/changeset/base/265132 >> >> Log: >> Add a /dev/full device. >> >> /dev/full is similar to /dev/zero except it always returns >> ENOSPC when you attempt to write to it. >> > > For some reason this reminded me of something I've been wanting for a > while but never get around to writing... /dev/ones, it's just > like /dev/zero except it returns 0xff bytes. Useful for dd'ing to wipe > out flash-based media.
dd if=/dev/zero | tr "\000" "\377" | dd of=<xxx> But it's not quite the same. Cheers, matthew _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
