7.3 File management
The file management of the system also adopts a tree structure, which provides an interface management tool for managing computer data, and achieves the data storage, hierarchical organization, access and acquisition and other operations. The left navigation bar of the file manager includes "My Computer", "Network" and "Device" (displayed when other storage devices are mounted). Users can click the button on the navigation to enter the appropriate directory, or double click on the right side to enter the appropriate directory.
7.3.1 Create the new file
Selecting the appropriate directory in the file manager, and right-click the blank area of the folder window, then it will display the shortcut menu shown as below:
Select "Create Folder", the file manager creates a new unnamed folder in the current directory, and prompts users to enter the name of the folder to be created. After entering and confirming, the user can complete the creation of the new folder.
Select "Create New Document" → "Blank Document", the file manager creates a new untitled document in the current directory, and prompts users to enter the name of the document to be created. After entering and confirming, the user can complete the creation of the new document.
7.3.2 File type
The basic version of CAB Desktop OS supports the following file types: normal files, catalog files, device files, and symbolic link files.
Normal files:Including text files, data files, executable binary programs.
Catalog files:A catalog is a special file that can be used to form a hierarchical tree structure of a file system.
Device files:In this system, the device file is used to identify each device driver and communicate with the hardware device, which also includes the character device file and the block device file.
Symbolic link files:The data stored in the symbolic link file is the path to the other file in the file system. When a symbolic link file is used, the system automatically accesses the path which saved in the file.
Please refer to the following table for specific file types and the opening method of the software:
File type |
software |
---|---|
.txt or other text files |
Text Editor |
Document Viewer |
|
Music file format |
Music Player |
Video file format |
Video |
.bmp/.png/.jpg/.gif/.xpm and other graphic image files |
Image Viewer |
.html/.htm/.php and other web formats |
Browser |
7.3.3 File movement and copy
The basic version of CAB Desktop OS adopts the Windows-like usage method for the file and directory operations, such as mobile, copy.
7.3.3.1 Drag and drop operations
Using drag and drop operation to move and copy files, greatly simplify the file operation. However, in the file system for drag and drop operations, only the super administrator can do it.
(1)Select the folder or file you want to move or copy;
(2)Drag the selected folder or file icon to the target directory.
7.3.3.2 Menu operation
Through the right-click menu, users can achieve the file movement and replication:
(1)Select the folder or file that you want to move or copy in the source directory;
(2)Right click to select the following options in the pop-up menu:
Cut
Copy
(3)For the "copy" or "cut" operation, users need to convert the working path to the target directory, and right click to open the menu option, and then select "paste".
7.3.4 Delete files and folders
In the basic version of Zhong Ke Desktop OS, there are two main ways to delete a file or folder, which are menu operations and shortcut keys.
7.3.4.1 Menu operations
(1)Move to the Recycle Bin
With the Recycle Bin tool, you can safely delete files or folders. Select the item to be deleted and right click to select "Move to the Recycle Bin" in the pop-up shortcut menu. Another way is to drag the selected item to be deleted directly to the Recycle Bin on the desktop.
Double-click the "Recycle Bin" on the desktop, and then the Recycle Bin Resource Management window will appear, showing all the files in the Recycle Bin. It is shown as below:
If you want to restore a file in the Recycle Bin, you need to select the file or folder to be restored,and then click "Restore Selected Items" or the right-click menu "Restore". If you execute the "Clear Recycle Bin" operation or right click the "Permanent Delete" on the right menu, the files and folders will be deleted permanently.
(2)Delete
Select the item to be deleted and right click to select "Delete" in the pop-up shortcut menu. It will delete files and folders permanently.
7.3.4.2 Shortcut operation
When you press the Delete key on the keyboard, you can move the file to the Recycle Bin or permanently delete it (depending on the Recycle Bin to set "Edit" → "Preferences" → "Properties" in the menu).
7.3.5 File property settings
7.3.5.1 Rename
Right-click the file or folder, and select “Rename” in the pop-up shortcut menu, or press the F2 shortcut. The name of the file or folder becomes a modifiable status, and then users enter the changed name and click Enter key to complete the rename operation.
7.3.5.2 Setting permissions
Right-click the file or folder, and select "Properties" in the pop-up shortcut menu, and then open the Properties window and click the “Permissions” tab. Users can set the permissions for the corresponding options in the page. It is shown as below:
In the above figure, you can set the access control for different users and groups, including: None, read-only, read and write.