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How to Make a backup of your Mac October 2021

Whether or not Time Machine backs up your Mac on a regular basis, creating a full duplicate (a clone or mirror) of its data is a good idea before installing macOS updates or upgrades. Carbon Copy Cloner 6 (£29.90, may create a one-time clone or regular backups in addition to, or instead of, Time Machine, and prior versions work for Mojave and before.

Catalina and Big Sur alter how you recover from a clone. It’s preferable to install macOS then migrate from the copy rather than cloning back from the copy to your internal storage, and that’s the only method for M1 Macs. That implies you don’t have to clone the System disk to conserve space, but CCC may still do so if you want.

CCC offers a plethora of choices. Here we demonstrate how to get the most out of them, such as omitting things that should be duplicated individually and creating snapshots for fast file recovery. Whatever you decide, test your clone by restoring test items.


1 Adjust the source loudness.

Select Tasks in the sidebar of Carbon Copy Cloner and name the new, empty backup job. To make your Mac’s starting drive, by default called Macintosh HD, the source for your clone, click on the Source button.

2 Choose a location.

Take note of the utilized space on your source volume and ensure that the destination volume has enough free space to store it. Then, click the Destination button and choose a volume with enough free space to accommodate the clone.

3 Determine whether or not to repeat

If you want this cloning to be repeated automatically, go to Automation and specify the scheduling basis. A daily clone is often recommended for backups or when the disk is remounted on occasionally connected MacBooks.

4 Establish schedule specifics

It’s a good idea to set the run time for when your Mac isn’t in use if it’s left running overnight. If the machine is going to sleep, you may have the backup job wake it up or leave it till later. Weekends may also be skipped.

5 Make a list of things that should be avoided.

To exclude things from the clone, click Task Plan at the bottom of the main window. Consider storing separate copies of large files, such as Virtual Machines, which change all the time while they are in use.

6 Configure advanced options

CCC has numerous sophisticated features, such as executing scripts before and after copying. You may now adjust the priority of its copying jobs here if you want it to back up while you’re using your Mac.

7 Perform a dry run to ensure everything is in working order.

Before you execute the initial clone, make sure that copying produces the results you anticipate. When you use the Preview tool, CCC will do a dry run without transferring any real files and will predict the precise size. Correct any mistakes as soon as possible.

8 Set source snapshots

Consider taking pictures on a regular basis. In the sidebar, choose the starting data volume called Macintosh HD – Data or simply Data. Turn on CCC to take a picture of each duplicate of that disk.

9 Retention of snapshots

Because older snapshots may take up a lot of disk space, most people will find CCC’s default snapshot retention strategy to be ideal. If you want to create your own policy, click the Customize option, but keep an eye on the available space.

10 Duplicate that volume

When you’ve finished configuring everything, -click the task in the sidebar and use the Run Now command to create the first clone. CCC then displays the clone’s progress in graphical form, as well as an exact time estimate.

11 Examine task activities

When the cloning process is complete, go to Task History, pick the completed task, and then click the Task Trends button to view a summary of activities. If the job will be repeated, click the Start button in the main window.

12 System clone as an option

If you want CCC to clone your System disk as well, configure the Destination to create a complete bootable backup by clicking on its icon and choosing the Legacy Bootable Backup Assistant option before proceeding to step 7.


ten minutes


To transfer files in order to restore them


macOS 10.15 or later, an external storage device with enough free space, and Carbon Copy Cloner 6

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Scribd is an online document sharing site that has been active since March 2007. Its headquarters are in San Francisco (United States). Scribd was founded in 2006 by Trip Adler.

Scribd offers a free 160 KB document reader that loads in JavaScript and Flash compatible browsers. These iPaper documents are obtained after conversion of various files (Powerpoint, PDF, Word) and can be shared, secure and include advertising. This reader supports zooms, text search, different viewing modes, use of the printer. However, the downloading of works remains reserved for registered users who have subscribed to a time-limited pass.

The iPaper format was ported to the Drupal, WordPress and Ruby On Rails platforms. There are also extensions for Joomla.

Supported formats

  • Portable Document Format (.pdf)
  • PostScript (.ps)
  • Microsoft Word (.doc, .docx)
  • Microsoft PowerPoint (.ppt, .pps, .pptx)
  • Microsoft Excel (.xls, xlsx)
  • LibreOffice Text Document (.odt, .sxw)
  • LibreOffice Presentation Document (.odp, .sxi)
  • LibreOffice Spreadsheet (.ods, .sxc)
  • All OpenDocument formats
  • Plain text (.txt)
  • Rich Text Format (.rtf)

Products and features

Since the launch of iPaper, Scribd’s document sharing technology has evolved. Here are some items that have been added to the user experience:

  • An e-commerce section has been developed (the Scribd Store) in order to allow book sellers to increase their distribution networks.
  • Revenue-sharing with Adsense was removed, due to the lack of added value that the product provided.
  • Users can now “brand” their documents through the free program called “branded reader”.
  • Users can now upload documents directly from their Google Docs accounts to their Scribd accounts.
  • The interface is now in HTML5 on compatible browsers, allowing the display of documents without using the Adobe Flash plugin.
  • Since 2013 Scribd has launched a subscription offer to digital books mainly in English

What is Lua?

Lua is a free, reflexive and mandatory scripting language.

Created in 1993, it is designed to be embedded in other applications to expand. Lua (from Portuguese: Lua [ˈlu.ɐ], in Brazil: [ˈlu.a], “Moon”), developed by members of the TeCGraf research group Luiz Henrique de Figueiredo, Roberto Ierusalimschy (en) and Waldemar Celes. Catholic University Of Rio de Janeiro, Brazil.

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The Lua interpreter is written in strict ANSI C language and can therefore be compiled on a wide variety of systems. It is also a very compact version 5.0.2, ranging from only 95 kb to 185 kb, depending on the compiler and target system used. It is often used in embedded systems such as OpenWrt, where this compactness is highly appreciated. It leverages the compatibility of the C language with multiple languages ​​to easily integrate into most projects.

It is especially appreciated for embedded, network development and video games.

Used in video games like Lua, Transformice, World of Warcraft (add-ons), roblox, garrysmod, computer tool mode, Multi Theft Auto (multiplayer mode from GTA: Greas: San Andreas), and video game engines like CryENGINE. , LÖVE or Fantasy consoles.

What is Freemium?

Freemium is a business model through which products can be proposed, or more commonly services that are provided free of charge and aimed at attracting a large number of users. We then sought to convert these users into customers to use paid premium service versions or other services that were paid concurrently.

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The principle of freemium is especially applicable to games on mobile phones or social networks, so we also call it “free games” or F2P. In theory, revenue is generated by additional payment levels, virtual goods that can be purchased in the game, or time-accelerated services. For more details, see Free Games.

The principle of freemium is mainly developed on the Internet because it makes it possible to provide free services at a lower cost and to fund free services at least in part through advertising.

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In fact, many free Internet services are based on a hybrid and often evolving model that mixes advertising funds with premium service funds. The basic version of LinkedIn, a free social platform, is free. It is funded by advertising and sells other features for users.

The whole challenge of the freemium model is to convert users from free to paid services. Freemium versions of some services or games are very successful, but it is difficult to get enough profitability.