Common keyboard function keys and shortcut keys and DOS commands

1 keyboard function keys and shortcut keys

Open the System on-screen Keyboard:

Window key + R, open Run command, enter Osk, return to open.

1.1 keyboard function keys (9)

Serial number	function keys	Description	Role
1	Tab	TAB key	Use tab to indent to the right, Use Shift + TAB to make the left indent Adding proper indentation makes our code more uncluttered and readable.
2	Shift	On-File Conversion key	Convert English letters to case, Convert numbers and special symbols, Convert IME in English and Chinese.
3	Ctrl	Control keys	Not used alone, and other keys form a combination of fast keys built
4	Alt	The word "alter" abbreviation, Chinese meaning "change".	Not used alone, and other keys form a combination of fast keys built
5	Space	The longest key on the keyboard	Enter a space in text editing; Confirm the first option in the input method.
6	Enter	Enter	The ENTER key has two functions: One is to confirm the input execution command , The second is in the word processing in the role of the line.
7	Window key	Window logo key	Window key + D fast display desktop; The window key + run executes the command; Window key + E to open My computer; Window key + L lock screen.
8	↑↓←→ Up or down key	Cursor Movement key	Used to quickly move the cursor.
9	PrtSc	Screen hard copy key, PRTSC as printscreen abbreviation	Screen.

1.2 keyboard shortcut keys (6 + 1 supplements)

1) Ctrl + a Select all

2) Ctrl + C copy

3) Ctrl + V paste

4) Ctrl+x cut

5) Ctrl + Z Undo

6) Ctrl+s Save

Add: Ctrl+y redo, will ctrl + Z undo that step, redo the operation.

2 How to open the DOS console

in Win7 For example, how do I open the DOS console?

L Way 1: Start Menu--click All Programs--Find attachments--command prompt

L Way 2: Start Menu--Search programs and files--input cmd--Enter

l Way 3:windows key + r--input cmd--enter "Recommended Way"

3 Common dos commands

for early operation of computer DOS command operation, because the need to remember a lot of commands, not conducive to popularization, later developed into a graphical interface, through the form of mouse-click interface to operate the computer, the bottom of the actual operation is still a DOS command.

1) Drive letter : Enter switch drive letter , such as D:

2) dir enter lists the files and folders in the current directory (dir-->directory)

3) CD folder name enter into the specified directory (cd-->change directory)

4) CD. Return to the previous level directory

5) cd\ return to the root directory

6) CLS return (Clear screen)

7) Exit enter to exit DOS command line

Note: A directory refers to a folder.

                                          

-------------------------the need to master the split line, below the understanding can be-----------------------

MD folder name Enter, create folder (make directory)

Rd folder name Enter, remove folder (remove directory), Note: Empty folder can be deleted directly successfully

del file name. suffix name Enter, delete the specified file; Delete a class of files in the current directory: del *. suffix name return

Notepad creating a file

To delete a folder with content:

RD +/s folder name (asking whether to delete)

RD +/q +/S folder name (delete directly)

"Supplement":

Tab Write complement function

Help view dos commands

↑↓ up and down keys to toggle previously executed DOS commands

Ipconfig view IP Address

Ipconfig-all View the physical address of the laptop network card as the MAC address (the company needs to bind the MAC address)

Ping IP address test whether the network of IP addresses is sending and receiving messages normally

Common keyboard function keys and shortcut keys and DOS commands