member name. One way this situation can occur is if more than one
version of a file has been stored in the archive. For information
about adding new versions of a file to an archive, see @ref{update}.
-@FIXME-xref{To learn more about having more than one archive member with the
-same name, see -backup node, when it's written.}
In addition to entries describing archive members, an archive may
contain entries which @command{tar} itself uses to store information.
@FIXME{how big a name before field overflows?}
The @code{mode} field provides nine bits specifying file permissions
-and three bits to specify the Set UID, Set GID, and Save Text
+and three bits to specify the Set @acronym{UID}, Set @acronym{GID}, and Save Text
(@dfn{sticky}) modes. Values for these bits are defined above.
When special permissions are required to create a file with a given
mode, and the user restoring files from the archive does not hold such
group permission could be copied from the @emph{other} permission.
The @code{uid} and @code{gid} fields are the numeric user and group
-ID of the file owners, respectively. If the operating system does
-not support numeric user or group IDs, these fields should be ignored.
+@acronym{ID} of the file owners, respectively. If the operating system does
+not support numeric user or group @acronym{ID}s, these fields should
+be ignored.
The @code{size} field is the size of the file in bytes; linked files
-are archived with this field specified as zero. @FIXME-xref{Modifiers, in
-particular the @option{--incremental} (@option{-G}) option.}
+are archived with this field specified as zero.
The @code{mtime} field is the data modification time of the file at
the time it was archived. It is the ASCII representation of the octal
the P1003 archive format. If this field contains @code{TMAGIC},
the @code{uname} and @code{gname} fields will contain the ASCII
representation of the owner and group of the file respectively.
-If found, the user and group IDs are used rather than the values in
+If found, the user and group @acronym{ID}s are used rather than the values in
the @code{uid} and @code{gid} fields.
For references, see ISO/IEC 9945-1:1990 or IEEE Std 1003.1-1990, pages
@node Dumpdir
@unnumberedsec Dumpdir
@include dumpdir.texi
-