K 10 svn:author V 3 imp K 8 svn:date V 27 2017-07-07T16:54:18.361291Z K 7 svn:log V 301 Improve wording for -E and -t flags. -E never writes the entire disk, so don't imply that. Note that if BIO_DELETE isn't supported, the operation will fail (as opposed to writing the entire disk with zeros). Thin storage also benefits from trim. List more accurate reason why trim helps flash-memory. END