Hi everyone, I am back with my new article.
The command line is a text interface for your computer.
It's a program that takes in commands, which it passes on to the computer's operating system to run and as a developer you must about these commands. Here, I will discuss about the commands we use in windows. Now there are a lot
of commands so I am going to discuss about the most used and this one is the first article of
this series. So, without wasting your time let's begin :D
md or mkdir
md or mkdir stands for make directory (also known as a folder)
so, this command will create a folder directly from the command line
mkdir <folder name>
if you want to create Multiple folders in a single command use
mkdir <folder1> <space> <folder2>
cd
cdstands for change directory, suppose you are inside folder A which consists two folders in it, viz, B and C respectively and you want to move in folder B so simply type cd B and you will move to folder B
C:\A>tree
C:.
├───B
└───C
C:\A>cd B
C:\A\B>
cd/
To jump directly to the root folder of our command we use this command
C:\A\D>cd /
C:\>
rd
rd stands for remove directory, suppose you want to delete a folder E which is present in folder B you can use rd E
C:\A\B>tree
C:.
├───E
├───F
└───G
C:\A\B>rd E
C:\A\B>tree
C:.
├───F
└───G
C:\A\B>
tree
This command displays a tree like structure of all the directories and sub directories present in a particular directory
C:\A>tree
C:.
├───B
│ ├───F
│ └───G
└───D
C:\A>
dir
this command displays the list of all the directories and files present in a particular directory
C:\A\B>dir
Directory of C:\A\B
03-12-2021 22:40 <DIR> .
03-12-2021 22:40 <DIR> ..
03-12-2021 22:32 <DIR> F
03-12-2021 22:32 <DIR> G
03-12-2021 22:40 0 hello.txt
1 File(s) 0 bytes
4 Dir(s) 266,177,257,472 bytes free
type NUL
Suppose you want to create a file directly using the command prompt then you can use type NUL > <filename.extension>
see the example below
C:\A\B>type NUL > myName.txt
C:\A\B>dir
Directory of C:\A\B
03-12-2021 22:51 <DIR> .
03-12-2021 22:51 <DIR> ..
03-12-2021 22:32 <DIR> F
03-12-2021 22:32 <DIR> G
03-12-2021 22:40 0 hello.txt
03-12-2021 22:51 0 myName.txt
2 File(s) 0 bytes
4 Dir(s) 266,176,991,232 bytes free
del
this command you help to delete a particular file directly from the command prompt
C:\A\B>dir
Volume in drive C is LocalDisk
Volume Serial Number is 1809-3EA3
Directory of C:\A\B
03-12-2021 22:51 <DIR> .
03-12-2021 22:51 <DIR> ..
03-12-2021 22:32 <DIR> F
03-12-2021 22:32 <DIR> G
03-12-2021 22:40 0 hello.txt
03-12-2021 22:51 0 myName.txt
2 File(s) 0 bytes
4 Dir(s) 266,176,991,232 bytes free
C:\A\B>del hello.txt
C:\A\B>dir
Volume in drive C is LocalDisk
Volume Serial Number is 1809-3EA3
Directory of C:\A\B
03-12-2021 22:53 <DIR> .
03-12-2021 22:53 <DIR> ..
03-12-2021 22:32 <DIR> F
03-12-2021 22:32 <DIR> G
03-12-2021 22:51 0 myName.txt
1 File(s) 0 bytes
4 Dir(s) 266,176,057,344 bytes free
echo
Suppose you want to write something on a file that you just created directly using the command prompt the use echo <message> >> filename.extension
C:\A\B>dir
Directory of C:\A\B
03-12-2021 22:53 <DIR> .
03-12-2021 22:53 <DIR> ..
03-12-2021 22:32 <DIR> F
03-12-2021 22:32 <DIR> G
03-12-2021 22:51 0 myName.txt
1 File(s) 0 bytes
4 Dir(s) 266,176,057,344 bytes free
C:\A\B>echo My name is Kumar Kalyan. I am a CS student >>myName.txt
C:\A\B>dir
Directory of C:\A\B
03-12-2021 22:53 <DIR> .
03-12-2021 22:53 <DIR> ..
03-12-2021 22:32 <DIR> F
03-12-2021 22:32 <DIR> G
03-12-2021 22:55 45 myName.txt
1 File(s) 45 bytes
4 Dir(s) 266,174,885,888 bytes free
C:\A\B>
in the above example the size of myName.txt has increased to 45 byte after I have written something
Conclusion
SO that's all for this article, I will discuss about a few more commands in the next article. Feel free to post your comment if you have any doubts. and share this article with your peers if you like it.
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