Good day!
Many novice users believe that if they have selected a text from an SMS (for example) and clicked a button "Copy" - then they have this information saved in the phone memory (and now they can do whatever they want with SMS). In fact this is not true...
When you select any section of text, picture, video, etc. files, and click "Copy" - Android stores this information in "clipboard" (note: this is a part of the RAM used to temporarily store any data). Moreover, if you add something else to the clipboard, the old information in it will be deleted!
That is, after you have copied something, you need to paste it somewhere (for example, a text from an SMS can be copied and pasted into another SMS) and saved. And after that you can move on to the next element that you want to transfer ...
Thus, using the buffer it is very convenient to operate with phone numbers, accounts, blocks of text, and other information that needs to be transferred from one place to another. Actually, in this article I will dwell on this in more detail ...
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Working with the clipboard
Where is it and how to find out what is in it
Many users believe that the clipboard is some kind of file that can be found in a specific directory and opened. 
... This is not true!
The clipboard is located in the device's RAM. Designed for temporary storage of various files: pictures, text, video, etc. For example, when you watch an online video, it is first loaded into the clipboard and then played in your media player.
Also, the buffer is used when selecting and copying some text. Note that if you don't save it anywhere, then after turning off the device (or when adding other information to the buffer), this copied section will disappear!
I will consider with an example how to use it ...
And so, let's say you are reading some note in the browser. At a certain place, find an interesting site that is necessary for further work.
To save it to a text document (for example), you first need to select this area (by clicking on the desired area of text and holding your finger for 3-4 seconds), and in the context menu that appears, select "Copy" (see example below). That's it, this piece of text has been placed on the clipboard!
Select - copy
Further, by opening any notepad (for example, I used Google documents), and by pressing and holding my finger for 3-4 seconds. from scratch, will appear in the menu from which you can insert information from the clipboard. And only after saving this document, this information will not go anywhere. See example below.
Buffer text has been pasted into the document
Thus, to find out which block of text is in the phone's clipboard: just open any text document and perform the paste operation.
I note that this method is far from the best, and it is much more convenient to use specials to work with the buffer. application. A couple of lines below about him ...
How to expand the buffer to multiple elements, and how to clear it
Option 1
Imagine if you need to read a dozen web pages and save all the most important sections (thoughts) from them. You can, of course, every time collapse / expand multiple apps and carry over copy paste... But you must admit it is not convenient to eat ?!
It is much better to install specials. an application that allows you to copy not one piece of text to the clipboard, but 10-15!
Clipboard manager
Play Market link - //play.google.com/store/apps/details?id=devdnua.clipboard
Simple and handy clipboard application.Allows you to expand it, storing several previously copied sections of text in memory (which is very convenient when working with documents). In addition, you can create notes in the application.
From add. functions: quick cleaning of the clipboard and trash, there is a function of favorites, all notes can be "scattered" into categories.
Analogs of this application: Clip Stack, Clipper - Clipboard Manager,
My Clipboard, etc.
After installing the app "Clipboard Manager" , you can also copy any parts of the text in the usual way. However, now none of them will disappear - they will all be stored in a special section.
For example, you copied 5-6 sections of text, now you want to create one document from them. How to do it? It's very simple: open this manager, in the section "Clipboard" you will see all your copied areas (see arrows-3 on the screenshot below).
Copy the section that you want to insert into the document, and then open the notebook (for example) and click "insert" (arrow-4). Operation completed!
Adding 5-items (instead of 1) to the clipboard
To clear the clipboard, just select the lines in the application that you no longer need and click on the trash can icon. That's it, the buffer is clean! Conveniently?!
Clearing the buffer!
Option # 2
On some devices, where tools for more detailed control over the clipboard are presented (for example, from Samsung, LG and a number of other manufacturers), you can view and clear the entire clipboard even without special. applications.
To do this, just open a notepad, then press your finger on any empty area of the document and wait 3-4 seconds: then click on the "three dots" menu and select "clipboard". Then you can delete everything that is in it (example below).
Remove everything from the clipboard
Option # 3
Just copy a small piece of text to the clipboard - for example, one or two numbers. As a result, your "old" information from the buffer will be deleted and less than 1 KB of data will be filled * ... Isn't it clearing? (works on those devices where there is no extended work with the clipboard)
Addition!
By the way, clearing RAM can speed up your phone more significantly than optimizing the clipboard. For how to do this, see this note: //ocomp.info/kak-ochistit-ozu-na-android.html
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All the best!
