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4 changes: 2 additions & 2 deletions docs/books/learning_rsync/01_rsync_overview.md
Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ Therefore, there needs to be a data backup in the production environment which n
2. Real-time data file synchronization
3. Less occupancy of system resources and higher efficiency

`rsync` appeared to meet the above needs. It uses the GNU open source license agreement. It is a fast incremental backup tool. The latest version is 3.2.3 (2020-08-06). You can visit [ Official website ] (https://rsync.samba.org/) for more information.
`rsync` appeared to meet the above needs. It uses the GNU open source license agreement. It is a fast incremental backup tool. The latest version is 3.2.3 (2020-08-06). You can visit the [Official website](https://rsync.samba.org/) for more information.

In terms of platform support, most Unix-like systems are supported, whether it is GNU/Linux or BSD. In addition, there are related `rsync` under the Windows platform, such as cwRsync.

Expand All @@ -45,7 +45,7 @@ The original `rsync` was maintained by the Australian programmer <font color=red
![ Wayne Davison ](images/Wayne_Davison.jpg)

!!! note "Attention!"
**rsync itself is only an incremental backup tool and does not have the function of real-time data synchronization. It needs to be supplemented with another program. In addition to this, synchronization is one-way, and if you want two-way backup, you need to use another tool to achieve it.**
**rsync itself is only an incremental backup tool and does not have the function of real-time data synchronization (it needs to be supplemented by other programs). In addition, synchronization is one-way. If you want to realize two-way synchronization, you need to cooperate with other tools.**

### Basic Principles and Features

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