From a62c73b27cbcf66d561a3e287230a4524683594c Mon Sep 17 00:00:00 2001
From: tianci li <86754294+jimcat8@users.noreply.github.com>
Date: Sun, 15 Dec 2024 02:25:20 +0800
Subject: [PATCH] Add links to the document to make the content complete
 (#2542)

---
 docs/books/admin_guide/09-backups.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/docs/books/admin_guide/09-backups.md b/docs/books/admin_guide/09-backups.md
index 28c1076f1..f7c3db696 100644
--- a/docs/books/admin_guide/09-backups.md
+++ b/docs/books/admin_guide/09-backups.md
@@ -109,7 +109,7 @@ There are many utilities to make backups.
 * **graphical tools**;
 * **command line tools**: `tar`, `cpio`, `pax`, `dd`, `dump`, ...
 
-The commands we will use here are `tar` and `cpio`.
+The commands we will use here are `tar` and `cpio`. If you want to learn about the `dump` tool, please refer to [this document](../../guides/backup/dump_restore.md).
 
 * `tar`:
   
@@ -168,7 +168,7 @@ The `tar` command allows saving on several successive media (multi-volume option
 
 It is possible to extract all or part of a backup.
 
-`tar` implicitly backs up in relative mode even if the path of the information to be backed up is mentioned in absolute mode. However, backups and restores in absolute mode are possible.
+`tar` implicitly backs up in relative mode even if the path of the information to be backed up is mentioned in absolute mode. However, backups and restores in absolute mode are possible. If you want to see a separate example of the usage of `tar`, please refer to [this document](../../guides/backup/tar.md).
 
 ### Restoration guidelines
 
@@ -192,7 +192,7 @@ The default utility for creating backups on UNIX systems is the `tar` command. T
 
 #### Estimate the size of a backup
 
-The following command estimates the size in kilobytes of a possible *tar* file:
+The following command estimates the size in bytes of a possible *tar* file:
 
 ```bash
 $ tar cf - /directory/to/backup/ | wc -c