Basic Linux Commands for File Management

Day 3 Task:

1. To view what's written in a file.

   • cat filename

   • vim filename

   • nano filename

     

2. To change the access permissions of files.

   • chmod 777 filename

     

     

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

   • history

     

4. To remove a directory/ Folder.

   • rm -rf filename

     

   • rmdir filename

     

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

   • touch fruit.txt - to create fruit.txt file

   • vim fruits.txt - to view content

   • cat fruits.txt - to view content

6. Add content in fruit.txt (One in each line) - Apple, Mango, Banana, Cherry, Kiwi, Orange, Guava.

   • echo Apple > fruits.txt add Apple word on the first line

   • echo Banana >> fruits.txt add Banana word on the next line

   • echo Cherry >> fruits.txt add Cherry word on the next line

     or use a line command like below

   • echo -e "Apple \nBanana \nCherry \nKiwi \nOrange \nGuava \nMango \nWatermelon" >> fruits.txt

     

7. Show only the top three fruits from the file.

   • head -3 fruits.txt

     

8. Show only the bottom three fruits from the file.

   • tail -3 fruits.txt

     

9. Create another file Colors.txt and view the content.

   • touch Colors.txt - to create Colors.txt file

10. Add content in Colors.txt (One in each line) - Red, Pink, White, Black, Blue, Orange, Purple, and Grey.

    • echo Red > Colors.txt

    • echo Pink >> Colors.txt

    • echo White >> Colors.txt

      or use a line command like below

    • echo -e "Red \nPink \nWhite \nBlack \nBlue \nOrange \nPurple \nGray" >> Colors.txt

11. Find the difference between the fruits.txt and Colors.txt file.

    • diff Color.txt fruits.txt compare files line by line