[['''Non-Volatile File System]]''' (''NVFS'') is a [[Flash memory]] File System introduced in the release of [[Palm, Inc.|Palm's]] latest [[Personal Digital Assistant]] handheld models [[Tungsten T5]], [[Tungsten E2]], [[TX (handheld)|Palm TX]], [[Z22 (handheld)|Z22]], and [[Treo 650]]/[[Treo 700p|700]]/[[Treo 680|680]]/[[Treo 755p|755p]].