# O-DU High. Working with libraries. Exploring files system. ###### tags: `Internship 2nd level` :::success **Goal:** - Understanding of installation process of O-DU High. **Resources:** - [O-DU High guide](https://hackmd.io/fcN5KBikQMCWkJIaDy1iyg?view) - [How to work with Linux](https://www.youtube.com/watch?v=ROjZy1WbCIA) ::: # Improving installation skill of O-DU High. ![](https://imgur.com/nQmUOed.png) ## Input: :::danger Please try to make a note like below. For example when you're studying: ![](https://i.imgur.com/tHfyTUC.jpg) ::: > Reference: https://www.youtube.com/watch?v=ROjZy1WbCIA ### Part 1: Working with Directories ```shell= pwd # This command is used to show the current working directory ls # This command is used to list the files/dir in current directory cd [directory] # This command is to go to directory ``` Test command on PC: ![](https://i.imgur.com/Lso0GSs.png)