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diff --git a/sag-0.6.1-www/Invisible/sag-0.6/node102.html b/sag-0.6.1-www/Invisible/sag-0.6/node102.html new file mode 100644 index 0000000..a811e6c --- /dev/null +++ b/sag-0.6.1-www/Invisible/sag-0.6/node102.html @@ -0,0 +1,72 @@ +<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> +<!--Converted with LaTeX2HTML 96.1-h (September 30, 1996) by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds --> +<HTML> +<HEAD> +<TITLE>Restoring files with tar</TITLE> +<META NAME="description" CONTENT="Restoring files with tar"> +<META NAME="keywords" CONTENT="sag"> +<META NAME="resource-type" CONTENT="document"> +<META NAME="distribution" CONTENT="global"> +<LINK REL=STYLESHEET HREF="sag.css"> +</HEAD> +<BODY LANG="EN" > + <A NAME="tex2html1601" HREF="node103.html"><IMG WIDTH=37 HEIGHT=24 ALIGN=BOTTOM ALT="next" SRC="./next_motif.gif"></A> <A NAME="tex2html1599" HREF="node100.html"><IMG WIDTH=26 HEIGHT=24 ALIGN=BOTTOM ALT="up" SRC="./up_motif.gif"></A> <A NAME="tex2html1595" HREF="node101.html"><IMG WIDTH=63 HEIGHT=24 ALIGN=BOTTOM ALT="previous" SRC="./previous_motif.gif"></A> <A NAME="tex2html1603" HREF="node1.html"><IMG WIDTH=65 HEIGHT=24 ALIGN=BOTTOM ALT="contents" SRC="./contents_motif.gif"></A> <A NAME="tex2html1604" HREF="node114.html"><IMG WIDTH=43 HEIGHT=24 ALIGN=BOTTOM ALT="index" SRC="./index_motif.gif"></A> <BR> +<B> Next:</B> <A NAME="tex2html1602" HREF="node103.html">Multilevel backups</A> +<B>Up:</B> <A NAME="tex2html1600" HREF="node100.html">Simple backups</A> +<B> Previous:</B> <A NAME="tex2html1596" HREF="node101.html">Making backups with tar</A> +<BR> <P> +<A NAME="3072"> </A><H2><A NAME="SECTION001142000000000000000">Restoring files with <tt>tar</tt></A></H2> +<P> + The <tt>-extract</tt> (<tt>-x</tt>) option for <tt>tar</tt><A NAME="3074"> </A> extracts files: + <BLOCKQUOTE> <TT> +# tar -extract -same-permissions -verbose -file /dev/fd0H1440 <BR> +usr/src/ <BR> +usr/src/linux <BR> +usr/src/linux-1.2.10-includes/ <BR> +usr/src/linux-1.2.10-includes/include/ <BR> +usr/src/linux-1.2.10-includes/include/linux/ <BR> +usr/src/linux-1.2.10-includes/include/linux/hdreg.h <BR> +usr/src/linux-1.2.10-includes/include/linux/kernel.h <BR> +... <BR> +# + </TT></BLOCKQUOTE> + You also extract only specific files or directories (which includes + all their files and subdirectories) by naming on the command line: + <BLOCKQUOTE> <TT> +# tar xpvf /dev/fd0H1440 usr/src/linux-1.2.10-includes/include/linux/hdreg.h <BR> +usr/src/linux-1.2.10-includes/include/linux/hdreg.h <BR> +# + </TT></BLOCKQUOTE> + Use the <tt>-list</tt> (<tt>-t</tt>) option, if you just want to see + what files are on a backup volume: + <BLOCKQUOTE> <TT> +# tar -list -file /dev/fd0H1440 <BR> +usr/src/ <BR> +usr/src/linux <BR> +usr/src/linux-1.2.10-includes/ <BR> +usr/src/linux-1.2.10-includes/include/ <BR> +usr/src/linux-1.2.10-includes/include/linux/ <BR> +usr/src/linux-1.2.10-includes/include/linux/hdreg.h <BR> +usr/src/linux-1.2.10-includes/include/linux/kernel.h <BR> +... <BR> +# + </TT></BLOCKQUOTE> + Note that <tt>tar</tt><A NAME="3076"> </A> always reads the backup volume sequentially, + so for large volumes it is rather slow. It is not possible, + however, to use random access database techniques when using + a tape drive or some other sequential medium. +<P> + <tt>tar</tt><A NAME="3078"> </A> doesn't handle deleted files properly. If you need + to restore a filesystem from a full and an incremental backup, + and you have deleted a file between the two backups, it will + exist again after you have done the restore. This can be a + big problem, if the file has sensitive data that should no + longer be available. +<P> +<BR> <HR> +<P><ADDRESS> +<I>Lars Wirzenius <BR> +Sat Nov 15 02:32:11 EET 1997</I> +</ADDRESS> +</BODY> +</HTML> |