(i) Amazon
(ii) Trash
(iii) Files
(iv) System Settings

Ubuntu and Cent OS.

Choose an option logout through the session indicator on the far right side of the top paner.

The server distributions in Linux OS
(i) Ubuntu
(ii) CentOS
(iii) Red Hat
(iv) SUSE
(v) Fedora

(i) The Open source software is free to use, distribute, and modify.
(ii) It has lower cost in most cases in only the fraction of the cost of their proprietary counter parts.
(iii) It is most secured as the code is accessable to everyone.

Some of the functions of Windows Operating System are:
(i) Access applications (programs) on the computer (word processing games, spread sheets, calculators and so on).
(ii) Load any new program on the computer.
(iii) Manage hardware such as printers, scanners, mouse, digital cameras etc.,
(iv) File managemnt activities (For example creating, modifying, saving, deleting files and folders).
(v) Change computer settings such as colour scheme, screen savers and the resolution of monitor.

(i) When we open any application such as OpenOffice Writer, Open Office Impress or OpenOffice Calc etc., you will find two Windows on the screen.
(ii) The larger Window is called the Application Window. This Window helps the user to communicate with the Application program.
(iii) The smaller window, which is inside the Application Window, is called the Document window.
(iv) This Window is used for typing, editing, drawing, and formatting the text and graphics.

Save - This will save the document without asking for a new name or location. It will overwrite the original.
Save As- This will prompt you to save the document using a dialog box. This allows to change the file name or location.

(i) Different desktop managers lead to a fragmented experience.
(ii) Too many package Managers makes Ubuntu hard to learn and master.
(iii) Lack of software
(iv) Hardware compatibility.

There are several methods of transferring files to or from a removable disk.
(i) Copy and Paste
(ii) Drag and Drop
(iii) Send To
(iv) Copy and Paste using keyboard shortcuts
METHOD 1: Plug the USB flash drive directly into an available USB port.

(i) Click Start ⟶ Computer.
(ii) Double-click on the Removable Disk associated with the USB flash drive.


(i) Navigate to the folders in your computer containing files you want to transfer Right click on the file you want to copy, then select Copy.
(ii) Return to Removable Disk window, right click within the window, then select Paste.

METHOD 2: Drag and Drop
(i) Plug the USB flash drive directly into an available USB port.
(ii) Allow the computer to recognize the drive, then click Start ⟶ Computer.
(iii) Navigate to 'the folders in your computer containing files you want to transfer.
(iv) Click and drag the files you want to the Removable Disk.
(v) Release the mouse.
METHOD 3: Send To (Windows)
(i) Plug the USB flash drive directly into an available USB port.

(ii) Navigate to the folders in your computer containing files you want to transfer.
(iii) Right-click on the file you want to transfer to your removable disk.
(iv) Click Send To and select the Removable Disk associated with the USB flash drive.
METHOD 4: Copy and Paste using keyboard shortcuts (Windows)
(i) Plug the USB flash drive directly into an available USB port.
(ii) Click on your desired file to select it.
(iii) On your keyboard, hold down the Ctrl key and press C.
(iv) Navigate to the desired folder destination.
(v) Hold down the Ctrl key and press V.

In Ubuntu OS:
(i) Create a file: By right-clicking in the desktop' and also files be created by using the file menu.
(ii) Delete a file: By using right-click choosing a move to trash or by using the menu.
(iii) Rename a file: By using right-click and choosing rename option.
(iv) Save a file: Press ctrl + x or F2 to exit. You will. then be asked if you want to save. (or) Press ctrl+ 0 or F3 and ctrl + x or F2 for save and exit.
In Windows OS:
(i) Create file: Open an application and create it by using the file menu.
(ii) Delete a file: By right click on a file and choosing the delete option to delete a file.
(iii) Rename a file: By right-clicking on a file and choosing rename option to rename a file.
(iv) Save file: Press ctrl+S or file - save to save the file.