Day3 - Basic Linux Commands

#Day3 of #90DaysOfDevopsChallenge

1. To view what's written in a file

Ans :- cat file_name

1. To change the access permissions of files.

   Ans :- chmod 777 file_name

   

2. To check which commands you have run till now.

   Ans :- history

   

3. To remove a directory/ Folder.

   Ans :- rm - rk ./directory_name or rmdir

   

   rm filename

4. To create a fruits.txt file and to view the content.

   Ans :- Nano file_name

   Insert the content

   Save the content

   Cat file_name

   

5. Add content in devops.txt (One in each line) - Blore, Mysore, Delhi, Pune

   Ans:- echo content >> file_name

   

6. To Show only top three cities from the file.

   Ans:- head file_name -n 3

   

7. To Show only bottom three cities from the file.

   Ans:- tail file_name -n 3

   

8. To create another file Colors.txt and to view the content.

   Ans :- nano file_name - to create a file and add the content

   cat file_name

   

9. Add content in Colors.txt (One in each line)

   echo content >> file_name

   

10. To find the difference between cities.txt and bikes.txt file.