Linux/Basic-Linux-commands at main · kalyanpothabathula/Linux · GitHub

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How to create files  in linux
-----------------------------------

touch one.txt

Different ways to create files
-------------------------------
1) touch one.txt


 2) cat <<EOF>> file3
   I'm from file3
  EOF

---------------------------------
To view the contents of file

cat  becomedevops.txt

----------------------------------
To copy the contents of files

cp firstfile.txt firstfile_bkup.txt
-----------------------------------

To rename thefiles

mv firstfile.txt file1.txt
-------------------------------------
To Delete the files

rm firstfile.txt

-------------------------------------


Types of editors
------------------

vi
vim
nano


Using a Vi Editor
-----------------------------
vi firstfile.txt


To add any content in the file
Enter  i ---> Insert Mode

add any text

To save


ESC

shift+: wq!
-------------------------------------------

To create Directory
------------------
mkdir aws

  ---> To get in to a particular directory use cd command

       ex: cd aws

To create directories recursively
---------------------------------

mkdir -p aws/ec2/userdata


To get back to the previous directory
------------------------------------
 cd ..

To know the current directory
-------------------------------------
pwd


--------------------------------------

To Delete directories

rmdir aws
-------------------------------------
To see the list of heirarchies of files and  drectories visually
Install tree utility

apt install tree

tree

ex: tree aws
aws is a directory