In file storage, to restore a file's storage information so that a deleted file becomes available for access again. Also called unerase. See also file recovery. Not able to be delivered to an intended recipient. To format a selection of text so that the text is printed with a line slightly below it.
Many application programs enable the user both to undo and to redo an action.
See also undelete. A 16-bit character encoding standard developed by the Unicode Consortium between 1988 and 1991. By using two bytes to represent each character, Unicode enables almost all of the written languages of the world to be represented using a single character set. The remaining combinations are open for expansion. The system of naming files among computers on a network so that a file on a given computer will have the same pathname when accessed from any of the other computers on the network.