Win7 system somehow there are some files, can these files be deleted?

I don't know if you noticed that the computer system upgraded from XP to WIN7 will produce some inexplicable things in the running process, such as the C drive (.old) file in the system disk, etc.; More and more bloated, slower and slower, what are these files used for? Xiao Bian, I will give you an explanation on this inexplicable document. After that, everyone will definitely understand what is going on. First of all, let's take a look at the system inside the small series computer, it must be the WIN7 computer system. Figure

1. What inexplicable files have been generated in the WIN7 computer system?

1, in the WIN7 computer system, after a long time, often generate some computer files such as .old/.log/.bak/.temp, these files will make the computer become more and more The more bloated, as shown in the figure

Second, these computer files are dry?

1. The old file is the file of the last computer system saved after installing the computer system. It is useless and has no connection to the operation of the new computer system. As shown in the figure

2, the file is the computer to process the event log file, it is equivalent to remember the notes in the usual class. It's just a process of recording what happened. It can be opened with Notepad and has nothing to do with the system. As shown in the figure

3, bak is the original file backup file, is a file backup for fear of the original file is lost. As shown in the figure

4, temp file, is a temporary file system, after the completion of the file operation, it will automatically disappear, but does not rule out the accident! ! !

Three, can these files be deleted?

1. It can be deleted completely for these files appearing in the system. Many of them are junk files.

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