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20130917 选题
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$350-$400 Solar-powered Ubuntu laptop SOL to be launched worldwide in December 2013
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==========
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[SOL](http://solaptop.com/en/products/laptops/) is a definitely interesting project, presenting itself as a solar-powered family of laptops rooted in low prices and exciting capabilities.
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Basically, SOL is a solar-based laptop shipping with **Ubuntu**, designed in mind with multiple usage-scenarios, ranging from electrical energy unavailability to remote areas, trips in isolated forests, etc, essentially, being handy in places where energy can't be accessed or purchased.
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Yet, the solar Ubuntu laptop can also be used by regular users in regular places due to its affordable price and decent specs, price and hardware properly paired with Ubuntu, therefore, resulting a powerful mix purchasable for less than $400.
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As specs, SOL features:
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- CPU: Intel Atom D2500 1.86 GHz Duo Core, Intel 945GSE + ICH7M
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- HDD: Seagate 2.5” SATA HDD 320GB
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- RAM: Kingston 2-4GB DDRIII SDRAM
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- graphics: 1080p HD Vide, Built-In Intel GMA3600 Graphics
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- battery operating time: 8~10 hours
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- weight: 5.02 lbs
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- display: 13.3" LCD, WXGA, 1366 x 768
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- camera: 3MP
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- audio: Realtek ALC661 HD Audio, Built-in 2 Speakers | Internal mic + 1/8” input
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- 3 USB2.0, Headphone jack, HDMI, LAN(10/100), Card reader (SD/MS/MMC)
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- modem: 3G/4G World/multimode LTE
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- GPS: gpsOne Gen8A
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- WiFi: MIMO 802.11b/gn (2.4/5GHz)
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- Bluetooth: Integrated Digital Core BT4.0
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SOL features several flavors, differentiating itself with good-looking shapes, own identity and bold patterns, aspects filtered through multiple colors, including dark, gray, green, red; the result: an elegant mobile machine.
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David Snir, a SOL developer, has just [shared](https://plus.google.com/109344265064351301756/posts/1F8DG57aBUy) on Google+ the imminent availability of SOL (worldwide): "we're getting closer to the **worldwide release (December 2013)**", letting users to know that December 2013 is to make the Ubuntu-powered SOL laptop available across the world.
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As prices, the SOL laptops will cycle between $350 and $400 with additional amounts of dollars necessary for taxes (country dependent).
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via:http://iloveubuntu.net/350-400-solar-powered-ubuntu-laptop-sol-be-launched-worldwide-december-2013
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本文由 [LCTT][] 原创翻译，[Linux中国][] 荣誉推出
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译者：[译者ID][] 校对：[校对者ID][]
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[LCTT]:https://github.com/LCTT/TranslateProject
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[Linux中国]:http://linux.cn/portal.php
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[译者ID]:http://linux.cn/space/译者ID
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[校对者ID]:http://linu.xnc/space/校对者ID
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[1]:http://iloveubuntu.net/350-400-solar-powered-ubuntu-laptop-sol-be-launched-worldwide-december-2013
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[2]:http://solaptop.com/en/products/laptops/
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[3]:https://plus.google.com/109344265064351301756/posts/1F8DG57aBUy
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CLEX – A Versatile Command Line File Manager With Integrated Command Prompt
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===========
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Whether you are a system administrator or a normal command line user, hopping between file manager and command line can get frustrating some times. At some time or the other, you tend to look at some command line alternative to the graphical file manager that you use.
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Chances are that you’ll find a decent command line manager but that would still require switching between file manager window and your command prompt window. So the question remains, is there a file manager that combines file explorer and command prompt in a single window? The answer is yes and the file manager is **CLEX**.
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## CLEX – The Command Line File Manager ##
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Clex is a command line based file manager that has a nice little user interface and provides a lot of options for file management. The main advantage of this file manager is that it also provides a command prompt (in the same window) through which you can run regular commands.
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**NOTE** – All the examples presented here are tested on Ubuntu 13.04.
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**A Brief Tutorial**
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Here is the Clex UI when it was first executed on my machine:
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So you can see that all the files and directories in the current working directory (**/home/himanshu/** in this case) were displayed in the upper half of the window. You can use the up and down arrow keys to select a file or a directory and press enter to get inside a directory.
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In the lower half of the window, the file manager provides a command line prompt (bash prompt in my case). Any installed command line utility can be executed from here.
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For example, to open an image file Ubuntu.png, the arrow keys were used to select it first :
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Then, an installed image viewer (gthumb in my case) was used (with Ubuntu.png as argument) through command prompt.
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The image viewer program gthumb displayed the image as soon as the complete command was executed.
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Besides, Clex also provides a range of other useful options which can be accessed by pressing Alt+M.
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So you can use these options to change the current working directory, add bookmarks, view command history, sort file names, compare directories etc.
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Here is a snapshot when command history option was used :
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Similarly you can use other options as per your requirement.
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**NOTE** – Use Alt+q to quit Clex.
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**Download/Install**
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Here are some of the useful links related to Clex file manager:
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- [Home Page](http://www.clex.sk/about.html)
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- [Download](http://www.clex.sk/download/)
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- [Documentation](http://www.clex.sk/help/file_intro.html)
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Ubuntu users can directly download and install this software using Ubuntu Software Centre. The version used for this review was 3.15.
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**Pros**
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- Integration of file explorer and command line prompt in the same window
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- Lots of options like directory comparison, file name sorting, command line history etc
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- Good online documentation
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**Cons**
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- Depends on CURSES library with wide character support. This may cause problems while building from source.
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- Has some start-up problems, displays the following warning every-time it is launched :
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**Conclusion**
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Clex is certainly a feature rich command line file manager. The integration with command prompt is its USP. Minor hiccups apart, it is a time-saving utility that demands a bit of practice to get used to it.
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via:http://mylinuxbook.com/clex-a-versatile-command-line-file-manager/
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本文由 [LCTT][] 原创翻译，[Linux中国][] 荣誉推出
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译者：[译者ID][] 校对：[校对者ID][]
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[LCTT]:https://github.com/LCTT/TranslateProject
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[Linux中国]:http://linux.cn/portal.php
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[译者ID]:http://linux.cn/space/译者ID
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[校对者ID]:http://linu.xnc/space/校对者ID
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[1]:http://mylinuxbook.com/clex-a-versatile-command-line-file-manager/
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[2]:http://www.clex.sk/about.html
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[3]:http://www.clex.sk/download/
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[4]:http://www.clex.sk/help/file_intro.html
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37
sources/CalculusTouch hits 1.0 version.md
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sources/CalculusTouch hits 1.0 version.md
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CalculusTouch hits 1.0 version
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==========
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[CalculusTouch](https://launchpad.net/calculustouch) is a handy Ubuntu SDK application incarnating calculus-specific capabilities into a polished worked-on-detail interface.
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Launching CalculusTouch, presents a good-looking mathematical utility featuring a sober-yet-elegant dark background and orange buttons, mix relaxing the eye, while working the brain.
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CalculusTouch divides its capabilities in two main areas:
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- `Symbolic Calculations` where the user is able to utilize `Evaluate, Derive, Integrate, Taylor Expansion`, etc, as applied to the editable `Expression` field
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- `Function Plot` rendering written-by-user expression as accurate visual constructions
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CalculusTouch has reached **version 1.0**, strengthening its previously-introduced features into a more stable version, while adding various minor fixes and optimizations.
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The 1.0 version comes to meet the user's needs in calculus operations with a more solid feel.
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CalculusTouch's usage has a built-in quality of user-friendliness, (for example) performing a symbolic calculation is as simple as typing an expression in the `Expression` field and hitting a desired button (such as `Derive`, etc), action that renders the result with a fancy look & feel into a dedicated white-ish area.
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CalculusTouch's code is available on [https://code.launchpad.net/~dinko-metalac/calculustouch/trunk](https://code.launchpad.net/~dinko-metalac/calculustouch/trunk)
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via:http://iloveubuntu.net/calculustouch-hits-10-version
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本文由 [LCTT][] 原创翻译，[Linux中国][] 荣誉推出
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译者：[译者ID][] 校对：[校对者ID][]
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[LCTT]:https://github.com/LCTT/TranslateProject
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[Linux中国]:http://linux.cn/portal.php
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[译者ID]:http://linux.cn/space/译者ID
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[校对者ID]:http://linu.xnc/space/校对者ID
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[1]:http://iloveubuntu.net/calculustouch-hits-10-version
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[2]:https://launchpad.net/calculustouch
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[3]:https://code.launchpad.net/~dinko-metalac/calculustouch/trunk
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71
sources/WinUSB--Create A Bootable Windows USB In Linux.md
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sources/WinUSB--Create A Bootable Windows USB In Linux.md
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WinUSB: Create A Bootable Windows USB In Linux
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==========
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Hello Guys,
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Am not coming to promote the use of Microsoft Windows here. But this about how to create a bootable from Linux as you know, there is one this tools on Windows, Power ISO which does the job very well too.
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You might remember at point in college or house when someone needs to create a bootable windows USB either from a DVD or .ISO file but you are not on a Microsoft Windows to do this with either Power ISO, etc.
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On Linux you can Unetbootin, but newer Unetbootin versions no longer support, but you can use older versions and you need to format the USB to NTFS before doing this. Which is some how complicated to new users.
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Today am going to introduce you to the **winusb** tool, if you have never heard about it, no problem just continue reading.
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**[WinUSB](http://congelli.eu/prog_info_winusb.html)** is a simple command line tool used to create Windows Installation’s or bootable USB stick under Linux.
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First we have to install **winusb** and then we look at how to use it.
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Installing **winusb** via PPA:
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$ sudo add-apt-repository ppa:colingille/freshlight $ sudo apt-get update $ sudo apt-get install winusb - See more at: http://www.unixmen.com/winusb-create-bootable-windows-usb-linux/#sthash.ZPxLBx2c.dpuf
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$ sudo add-apt-repository ppa:colingille/freshlight
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$ sudo apt-get update
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$ sudo apt-get install winusb
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WinUSB also works from the command line (terminal), we can create a Windows 7 or Windows Vista USB installer by running the following commands from the terminal (as a root user):
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$ sudo winusb --format <iso path> <device>
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**Example :**
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$ sudo winusb --format Desktop/SETHO/Win7.iso /dev/sdc1
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where **Desktop/SETHO/Win7.iso** is the path of the .iso file and **/dev/sdc1** is the device path. (**Note**: to get the device path use the **df** command)
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To install a Windows ISO on **NTFS** partition and edit the Master Boot Record (MBR) of the device use the following commands:
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$ sudo winusb --install <iso path> <partition>
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**Example :**
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$ sudo winusb --format Desktop/SETHO/Win7.iso /dev/sdd1
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where **/dev/sdd1** is the partition path.
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**WinUSB** also has the Graphical User Interface (GUI) if you don’t like the command line, but you must try to learn hoe to love the command line now. Which is also simple to understand.
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This can be launched from the dash:
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**Dash > WinUSB**
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After launching, you select the .iso and the device, then click on install.
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via:http://www.unixmen.com/winusb-create-bootable-windows-usb-linux/
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本文由 [LCTT][] 原创翻译，[Linux中国][] 荣誉推出
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译者：[译者ID][] 校对：[校对者ID][]
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[LCTT]:https://github.com/LCTT/TranslateProject
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[Linux中国]:http://linux.cn/portal.php
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[译者ID]:http://linux.cn/space/译者ID
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[校对者ID]:http://linu.xnc/space/校对者ID
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[1]:http://www.unixmen.com/winusb-create-bootable-windows-usb-linux/
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[2]:http://congelli.eu/prog_info_winusb.html
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