In the example above, d stands for directory.
cd: Changes the current directorypwd: Prints the present working directory
In Linux, every software is treated as a file. When something is installed in Linux, it is saved on the hard drive as a file.
Linux OS:
- CPU + memory + hard disk -> Kernel -> System calls -> Processes (e.g., Node.js or Chrome)
Processes communicate with hardware through system calls made to the kernel. The kernel acts as the OS.
sudo usermod -aG docker - remove sudo comand from docker
ctrl + shift + v => preview markdown in vscode