[Linux] Basic command summary

Move the cursor, etc.

Ctrl + f     //One character forward
Ctrl + b     //One character back
Ctrl + a     //Move to the beginning of the line
Ctrl + e     //Move to the end of line
esc + f      //One word forward * After pressing esc
esc + b      //One word back * After pressing esc
Ctrl + h     //Delete the character on the left
Ctrl + d     //Delete the character on the right
Ctrl + u     //Delete from the cursor position to the first line
Ctrl + k     //Delete from the cursor position to the end of the line
Ctrl + y     //Insert the last deleted content
Ctrl + c     //forced termination
Ctrl + s     //Screen display lock (Does not accept character input from the keyboard)
Ctrl + q     //Unlock screen display
Tab          //Complements commands and paths

Basic commands

ls [option][Directory file name]      //List display
$ ls *.php                             //Display a list with the extension php
$ ls /z???                             //Start with z
$ ls -l                                //View details
$ ls -F                                //Display file type@:Symbolic link,　*:Executable file,No sign:Normal file

mkdir [option] <Directory name to create>    //Directory creation
$ mkdir -p test/2020/10/10             // -Creates a directory at the same time as adding p
$ rmdir <Directory name>                 //Empty directory

cat [file path]                        //View the contents of the file

less [file path]                       //Scroll the contents of the file
Space bar, f　　　　　　　　　　　　　　　 //Scroll down one screen
b                                      //Scroll up one screen
j                                      //Scroll down one line
k                                      //Scroll up one line
q                                      //q Exit command
/<String>                               //Search down
?<String>                               //Search upwards

touch [file name]                         //Create an empty file
rm    [option] [file name]                //Delete files and directories
$ rm -r dirr                           //Delete the contents of the directory at once

mv [file name 1][file name 2]              //Rename file
mv [file name][Destination directory name]   //Move files
* Behavior changes depending on whether the destination is a directory or a file

cp [Original][Copy to]
*It will be overwritten. If you do it safely-Add the i option.

find <Search start directory><Search conditions><action>
$ find . -name README.md -print 

Hard links and symbolic links

Hard link

-Give multiple names to one file ・ It does not disappear even if the original file is deleted. ・ Disappears when all hard links are gone

Symbolic link

-A special file with the path of the link destination // Shortcut etc. -If you delete or move the actual file while leaving the symbolic link, you will not be able to refer to it.

ln [option][Link source file][file name]
$ ln file1 file2              //Hard link without options
$ ln -s file1 file2