Basic file operation of cmder

1.Cmder function

cmder Itself is a software package , Is an enhanced command line tool . have access to windows,linux,shell The order of .

2.Cmder Shortcut keys

ctrl + c,cmder Termination key in

ctrl + w, Close page

Right mouse button , Paste  

Tab, Auto fill path

start ., Open the current folder

rm -rf  Delete all files on the hard disk

3. Check the addition, deletion and modification of documents

notes ：Cmder The default opening position is .exe File location of .

       cd ~/Desktop/, Change the current directory to the desktop .

check ：

1.pwd（process working directory Catalog / Folder ）

Show the current absolute path

2.ls（list）

Displays all files in the current directory

notes ：ls Default not to show . Opening file

        ls +  route , View the contents of the specified directory （ example ：ls git-demo-1/）

3. View file contents

• cat +  route , Show the whole content of the document （ example ：cat style.css）
• head +  route , Show the first ten lines of the document  

        notes ：head The first ten lines are displayed by default , Through parameters -n  Numbers , Before the exhibition ( This number ) Row content

               head style.css( route ) -n 14, Exhibition style.css Before 14 That's ok                         

• tail +  route , Show the last ten lines of the document
• less +  route , The default display is one page ,↑ and ↓（ or j/k） Show the contents of the previous page and the next page ,q Exit the current file view

increase ：

1. create a file

• touch file name , create a file （ example ：touch 1.txt 2.txt）
• echo  Content > file name , Rewrite the contents of the file into the file （ example ：echo hi>1.txt）
• echo  Content >> file name , Append the contents of the file to the file （ example ：echo hahaha>1.txt）
• echo -e "1\n2">1.txt,-e Parameter multi line input

notes ：echo Write directly when the command folder exists , If it does not exist, it will be newly created

> Representation override , Re cover ; and >> Means additional content , No coverage .

2. Create directory ( Folder )

mkdir  Directory name , Create directory （ example ：mkdir a b）

3. Copy

• cp  file name 1  file name 2, Copy files 1 To file 2（ example ：cp 1.txt 2.txt）
• cp -r  Catalog 1  Catalog 2, replica catalog 1 To catalog 2（ example ：cp -r a b）

Delete ：

1. Delete file (remove)

rm  file name （ example ：rm 1.txt）

2. Delete directory (remove recursive Recursive )

rm -r  Directory name （ example ：rm -r a）

Change ：

1. Modify file

• start  file name , Open the file by default （ example ： start 1.txt）
• echo
• code  file name , use VScode Modify file （ example ：code 1.txt）

2. Empty files

• echo ''>1.txt, Empty string overlay
• start/code Open empty and save

3. Move / Change file name (move)

• mv  file name   Directory name , Put the file in the directory （ example ：mv 1.txt git-demo-1）
• mv  file name 1  file name 2, Rename to file name 2（ example ： mv 1.txt 2.txt）

notes ：mv The command always operates on the previous one ,

for example ：mv 1.txt a, take 1.txt Put it in the directory a in

           mv a/1.txt ., take 1.txt Move to the current directory

4. Modify the file update time

• ls -l, Check the last update time of the file
• touch  file name , Open file update. The last update time is the current time

4. Check out the manual

command --help

command --help | less（ Page turning form ）, example ：ls --help | less

tldr - command , example ：tldr -ls

notes ：tldr（too long;didn't read Compact version view help tool ）,

Download mode  npm i -g tldr/yarn global add tldr

5. Check the command status

touch 1.txt && echo  Create success

notes ： Generally, the command is successful , Nothing ; Command fails , return error.

Successfully returns 0, Failure returns to non 0（error code）.

6. Script files

1. Multi command connection operation ：

&&, Execute the next command after one command succeeds .

;, Execute the next command whether it succeeds or not .

alt + ., Copy the last parameter last time .

2. Script file creation process

• After creating the script command file
• chmod +x  file name , Add executable rights
• sh  Relative paths , Run the script file

notes ： Another way is to add the directory of the executable file to the environment variable PYTH in , Then you can directly use the file name as your command .

therefore ls Such an operation will only .exe Put in cmder Of bin Has been added to pyth in , So it can be directly executed as a command .（ Advanced systems > environment variable > System variables / User variables ） The essence of the command line is an executable file .