@set xref-blocking-factor @xref{Blocking Factor}
@set pxref-blocking-factor @pxref{Blocking Factor}
+@set op-bzip2 @kbd{--bzip2} (@kbd{--bunzip2}, @kbd{-y})
+@set ref-bzip2 @ref{gzip}
+@set xref-bzip2 @xref{gzip}
+@set pxref-bzip2 @pxref{gzip}
+
@set op-checkpoint @kbd{--checkpoint}
@set ref-checkpoint @ref{verbose}
@set xref-checkpoint @xref{verbose}
This file documents GNU @code{tar}, a utility used to store, backup, and
transport files.
-Copyright (C) 1992, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+Copyright (C) 1992, 1994, 1995, 1996, 1997, 1999 Free Software Foundation, Inc.
Permission is granted to make and distribute verbatim copies of
this manual provided the copyright notice and this permission notice
@page
@vskip 0pt plus 1filll
-Copyright @copyright{} 1992, 1994, 1995, 1996, 1997 Free Software
+Copyright @copyright{} 1992, 1994, 1995, 1996, 1997, 1999 Free Software
Foundation, Inc.
Permission is granted to make and distribute verbatim copies of
Sets the blocking factor @code{tar} uses to @var{blocking} x 512 bytes per
record. @FIXME-xref{}.
+@item --bunzip2
+
+(See @samp{--bzip2}; @FIXME-pxref{}.)
+
+@item --bzip2
+@itemx --bunzip2
+@itemx --unbzip2
+@itemx -y
+
+This option tells @code{tar} to read or write archives through @code{bzip2}.
+@FIXME-xref{}.
+
@item --checkpoint
This option directs @code{tar} to print periodic checkpoint messages as it
rather than the modification time stored in the archive.
@xref{Writing}.
+@item --unbzip2
+
+(See @samp{--bzip2}; @FIXME-pxref{}.)
+
@item --uncompress
(See @samp{--compress}; @FIXME-pxref{}.)
@samp{--extract}
+@item -y
+
+@samp{--bzip2}
+
@item -z
@samp{--gzip}
indicates the first half of the day, @samp{pm} indicates the second
half of the day. In this notation, 12 is the predecessor of 1:
midnight is @samp{12am} while noon is @samp{12pm}.
+(This is the zero-oriented interpretation of @samp{12am} and @samp{12pm},
+as opposed to the old tradition derived from Latin
+which uses @samp{12m} for noon and @samp{12pm} for midnight.)
@cindex timezone correction
@cindex minutes, timezone correction by
So, there are pros and cons. We'll see!
@table @kbd
+@item -y
+@itemx --bzip2
+@itemx --unbzip2
+Filter the archive through @code{bzip2}. Otherwise like @value{op-gzip}.
+
@item -Z
@itemx --compress
@itemx --uncompress
@strong{Please note} that the @code{compress} program may be covered by
a patent, and therefore we recommend you stop using it.
+@value{op-bzip2} acts like @value{op-compress}, except that it uses
+the @code{bzip2} utility.
+
@table @kbd
@item --compress
@itemx --uncompress