Summary of the most common basic commands in Linux

1.ls

Whether you are from the root directory or from a folder. ls can list all files in the folder.

2.cd

cd is also often used in windows; it is used to switch between directories. When the length of the entered file name reaches a unique level, pressing the tab key will automatically add the complete file name;

3.mv

is the abbreviation of move , as the name suggests, it moves a file or folder from one directory to another.

The syntax format is

The directory where mv is located and the directory you want to move

4. There are also some shortcut keys. It is slightly different from window;

CTRL K cuts the text from the cursor to the end of the line

CTRL Y pastes the text

CTRL E Move the cursor to the end of the line

CTRL A Move the cursor to the beginning of this line

ALT F Jump to the next space

ALT B Return to the previous space

ALT Backspace Delete the previous word

CTRL W Cut the word before the cursor

Shift Insert Paste the text into the terminal

Ctrl D Log out

5.mkdir

Create a folder. You can create it in the root directory, or of course you can cd to a place where you want to place the file;

6.at

Run you at a specific time The program

7.rmdir

Deletes a directory, only used to delete empty directories

8.rm

If you want to delete files, the rm command is what you want. It can delete files and directories. To delete a file, type rm testfile, or to delete a directory and the files in it, type rm -r.

9.touch

Similar to mkdir, a new directory will be created

10.locate

This command is the command you use to find files in the Linux system

11.ps

is not the photoshop we usually use, but View all current processes;

12.jobs

View the tasks running in the background of the current terminal

13.kill

(1) Check the jobnum through the jobs command, and then execute kill %jobnum

(2) Check the process number PID through the ps command, and then execute kill %PID

If it is a foreground process If so, you can terminate it by directly executing Ctrl c

14. Switching between front and back processes

(1) fg

Function: Switch the process in the background Move the command to the foreground and continue running

If there are multiple commands in the background, you can first use jobs to view jobnum, and then use fg %jobnum to call out the selected command.

(2) crtl z

Function: Put a command being executed in the foreground into the background and put it in a paused state

(3)bg command

Function: Change a command that is paused in the background to continue execution in the background

If there are multiple commands in the background, you can first use jobs to view jobnum, and then use bg %jobnum to call out the selected command to continue Execution

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