Linux Fundamental

Can use any linux distribution, I use Ubuntu Server 22.04 (Jammy Jellyfish)

okay let's go

1. File Hierarchy

 "/" slash is like C in windows OS, yes... file system. root directory of the entire file system.

Like the picture above, u can practice it. in the "/" contain some folders (blue color) and file(white color).

2. Navigating File 

-Absolute Path : always starts with "/" (enter the root directory first)
example :

-Relative Path : not necessarily start with "/" (just customize with path location)
example :

 

*pwd : prints the full name (the full path) of current/working directory

ls: ls is a Linux shell command that lists directory contents of files and directories
example:

 

 

 

 

3. Creating File & Directory 

touch : used to create a new empty file and to change the timestamps of existing file
example :

 

 


mkdir : used in Linux to create a new directory/folder
example:

 

 

4. File Manangement

cd: used to change the current directory of the terminal
example: