# Day2: Basics linux command

Day2: 90 days of DevOps -

1. Check your current working directory.
    
    \-> To check the current directory, the command is ‘pwd’.
    
    ![](https://cdn.hashnode.com/res/hashnode/image/upload/v1689612071085/b6553b4e-e40b-4d8f-b4ab-d73197d881b1.png align="center")
    
2. List all the files and directories including hidden files.
    
    \-> To check the current directory, the command is ‘ls -a’’.
    
    ![](https://cdn.hashnode.com/res/hashnode/image/upload/v1689612123571/b565bd72-ce59-4bc9-90bb-0520a2c9311f.png align="center")
    
3. Create a nested directory.
    
    \-> To check the current directory, the command is ‘mkdir -p A/B/C/D/E’’.
    
    ![](https://cdn.hashnode.com/res/hashnode/image/upload/v1689612172797/99726feb-4524-4a92-aa31-2e0127259bee.png align="center")
    
    **NOTE -** To make a subdirectory or more than 1 folder in a directory, we can run the following command -
    
    mkdir -p A/B{/C,/D}/E
    
    ![](https://cdn.hashnode.com/res/hashnode/image/upload/v1689612744237/3bf2333e-efce-4d2a-93e7-4b528eab8502.png align="center")