path
Do a search for the file name.
A path name is the location of the file name. example: C:\Users\Desktop\Example.txt A file name is file itself. example: Example.txt
my computer
The file extension is the two, three, or more letter code that is after the period in a computer file name. It is used to "tell" the computer what type of file it is and what program on your computer will "open" or "run" it.
Save as will let you choose the location and name to save the file under. Save will save your file in the default location or in its current location.
Disk space
A directory is a location for storing files on your computer. Directories are found in a hierarchical file system such asDOS, OS/2, Unix, etc. When referring to a directory, a user commonly indicates the name of the directory.
its an extension for the file name which tells about the file type. but I just have a query, why most of the extensions are three lettered
The extension. It tells Windows what kind of a file it is. For example, a file with the ".doc" extension is a Microsoft Word Document.
The kernel image is the file in /boot that has a name like "vmlinuz" in it.
The DS_Store, or Desktop Services Store, is a hidden file on Apple's Mac OS X operating system. So it is the name of a file on a computer and not a grocery chain.
It would depend on the name of the dat file. If it is used by the operating system then you will not be able to delete that file.