Because we often add, delete software and online internet and other behaviors when we using our computers, the hard disk will have a variety of junk files, and these junk files not only take up hard disk much room, but will also reduce the speed of the computer, affect the efficiency of our work. What are junk files?What are the type of junk files?
(1). the temporary files generated in the process of installed software
Many software extract their own installation files to a temporary directory (usually under the Temp directory of Windows system directory) and then install it. When the installation is complete, these temporary files will become a pile of garbage inside the hard disk.
(2). the temporary files generated in the process of running software
The same as the installation of the software, it will usually produce some temporary swap file in the process of running the software, and after run some software, it will left as many as hundreds of megabytes garbage such as *.old?*.bak., the backup files generated by antivirus software or system software when checking the hard disk.
(3). Files Left after uninstalling the software
After the software is uninstalled, it often left some directory, *.dll files in the hard drive, become veritable garbage. There are many beginners often mistakenly deleted the directory using the direct method “uninstall” software, which will leave more invalid documents such as *.ini?*.dll. At the same time remaining a large number of obsolete data in the registry, and have a greater impact on the stability of the system.
(4). temporary files generated when we surfing the Internet
The browser is always download files to your local machine when you surfing the Internet, these cache files will occupy much disk room.
(5). files that not frequently used
The help or tutorial files that come with by some application software, the redundant operating system font files.
