# Basic Linux Commands Practice makes a man perfect, and so does practicing Linux every day ![](https://cdn.hashnode.com/res/hashnode/image/upload/v1679500063349/312616d3-57c3-4723-9650-595a181bcb1b.gif align="center") We move further on our Linux journey. I will list a few basic Linux commands. \-> To view what's written in a file. cat command will list out the file contents, once you execute cat with the filename you want to read. `cat filename` \-> To change the access permissions of files/folders. In the below example we are giving read, write and execute permission. 777 denotes: read, write and execute permission for users, groups and others. `chmod 777 foldername` Each permission has a numeric value assigned to it: \- read (r): 4 \- write (w): 2 \- execute (x): 1 \-> To check which commands you have run till now. `history` \-> To remove a directory/folder. `rm filename` \-> To create a fruits.txt file and to view the content. Vim is a text editor, after running vim fruits.txt, press i to insert text in the file. Add content in fruits.txt (One in each line) - Apple, Mango, Banana, Cherry, Kiwi, Orange, Guava. `vim fruits.txt` `cat fruits.txt` \-> To show only the top three fruits from the file. `head -3 fruits.txt` \-> To show only the bottom three fruits from the file. `tail -3 fruits.txt` \-> To find the difference between the 2 texts file. `diff ` ![](https://cdn.hashnode.com/res/hashnode/image/upload/v1679500119161/315aaefc-bceb-48e3-af20-408bc5c58882.gif align="center")