1: What is file
file means "file", which in Windows refers to various types of data decompression types under folders The collective name for the manifestations. It also means the IT term "File Transfer Protocol" and the programming language file command.
Local File Transfer Protocol
English: File Protocol
Chinese explanation: Local File Transfer Protocol
Note: File protocol is mainly used to access the local computer file, just like opening the file in Windows Explorer.
Applications in IT: To use the File protocol, the basic format is as follows: file:///file path. For example, if you want to open the 1.swf file in the flash folder of the F drive, you can open it in the resource manager Or type: file:///f:/flash/1.swf in the IE address bar and press Enter.
2: What is file?
File files are text files. Ps only supports image files, so they cannot be opened!
is the pagefile file. Pagefile.sys is a system file (Win386.swp under Windows 98). Its size often changes by itself. When it is small, it may only be tens of megabytes, and when it is large, it may be several dozen. 100M, so there is no need to doubt that pagefile.sys is a virtual memory under Windows. Its function is basically similar to that of physical memory, but it exists as a "backup force" for physical memory. That is to say, it only exists in physical memory. It will only come into play when there is no more use. We all know that although hard disks are not as good as memory in terms of operating speed, memory cannot be compared with hard disks in terms of capacity. When running a program requires a large amount of data and occupies a large amount of memory, the memory will be "filled up" and the temporarily unused data will be placed on the hard disk, and the space occupied by this data is virtual memory.
3: Common attributes of file
The common attributes of file (file) are as follows: hide (hidden) system (system) read (read-only) write (writable) Archive
Among them, the method of displaying hidden files is as follows:The most commonly used is to use the folder option to display hidden folders or files;
The specific operation steps As follows
1. Open My Computer and enter the hidden file or folder directory, such as the D drive;
Select "Folder Options" under the "Tools" menu
2. In the pop-up dialog box, select the "View" tab and slide the slider to find "Hidden files and folders" and select "Show all files and folders" below;
3. Click Apply, and if necessary, select "Apply to all folders" in the upper left corner. In this case, all hidden files or folders in the directory will already display 000000.
The above is the detailed content of What is file. For more information, please follow other related articles on the PHP Chinese website!

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