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This article mainly explains "what are the basic knowledge points of the computer operating system". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. let's go deep into the editor's train of thought. Let's study and learn what are the basic knowledge points of computer operating system!

Operating system: Operating System, OS for short

The five core functions of the operating system: processor management, storage management, device management, file management, job management.

The common operating systems are mainly divided into Microsoft's windows system series, linux system series and Apple's Mac OS series.

Windows operating systems: windows xp, windows 7, windows 8, windows10, windowsserver 2003 and 2008, etc.

Linux system series: red hat linux, ubuntu, Red Flag linux, etc.

Mac OS and linux share the same ancestor: both unix systems

The boot power button of the mainframe of the computer can force the computer to be critical by pressing for 7 seconds, which is often used when the computer operating system is stuck.

Computer startup process: connect the host and monitor to power up-> press the boot button for hardware startup-> the computer starts loading the specified partition according to the bios configuration-> start loading the operating system-> enter the login interface-> enter the user name and password-> load the operating system user profile to the desktop

Switch between different program window shortcuts: alt+tab or Windows logo key + tab

Key current window shortcut: alt+f4

Shortcut key to save files: ctrl+s

Find: ctrl+F

Replace: ctrl+H

Copying: ctrl+C

Paste: ctrl+V

Switch input method: ctrl+shift

Chinese-English input method switching: ctrl+ space

Select all: ctrl+A

To invoke the task manager or hot restart shortcut: ctrl+alt+delete

Display windows Desktop: windows key + D

Open Explorer window: windows key + E

Lock windows system: windows key + L

Open the run window: windows key + R

Hide or show file extension: win10 system under the View menu, win7 system under the menu tab of folder manipulation options.

The format of the file name in the operating system: the file name. Extension name

Common extensions: exe application files, frm forms files, txt text files, doc or docx is a word file, xls or xlsx is an excel file, ppt or pptx is a ppt file, png or gif is a picture that can make the picture background transparent, gif is a picture file that saves dynamic pictures, mp3 is an audio file, mp4 or rmvb or WAV is a video file, rar is a compressed file, and html or htm is a static web page file.

Nine special characters that cannot be used in file or folder naming:? * /\ |

: "

The length of the file name cannot exceed 255 characters

Names that cannot be used for files or folders, which are reserved by the system: con, aux, com1, lpt1, prn, nul

Type notepad in the run window to quickly open a new notepad

Type calc in the run window to quickly open a calculator

Shareware is copyrighted software sold on a "pay-after-use" basis with a limited number of trials or dates.

Free software: according to the definition of the Free Software Foundation, it is software that can be used, copied, studied, modified and distributed without restrictions.

Free software: you can use the software freely and copy it to others without paying any fee to the software author, and there are no software restrictions on the use.

WinRAR is shareware.

Thank you for your reading. the above is the content of "what are the basic knowledge points of computer operating system". After the study of this article, I believe you have a deeper understanding of what are the basic knowledge points of computer operating system. The specific use of the situation also needs to be verified by practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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