Introduction to Linux Operating System

Linux is widely used in various fields such as cloud computing and cyber security.

Linux is the kernel of different Linux distributions, combined with other software like GNU.

Linux distributions like Ubuntu, Debian, Kali Linux, and Red Hat are tailored for specific user groups.

Ubuntu is a popular Linux distribution that can be used on different devices and is suitable for beginners.

Ubuntu can be installed directly or in a virtual machine using Oracle VirtualBox.

When installing Ubuntu, it is recommended to use dynamically allocated storage and configure the virtual machine settings accordingly.

After downloading Ubuntu, you can start the installation process by booting the virtual machine.

The video is a crash course on the Linux operating system for beginners.

The video covers the process of installing Ubuntu, selecting language and keyboard layout, and choosing the software to install.

The video also explains the desktop environment, navigating the file system, using the terminal, and customizing the terminal emulator.

💻 The Linux terminal displays the user account, system name, and current directory.

📚 The 'man' command provides information about other commands and their usage in the Linux terminal.

📂 Commands like 'cd' and 'ls' allow users to navigate and manipulate directories in the Linux terminal.

📝 The 'mkdir' command can be used to create directories in the Linux terminal.

📂 Understanding how to manage directories: creating, removing, and navigating through them.

📄 Working with files: creating, removing, copying, moving, and renaming files.

🔍 Exploring file content: using the 'head' command to view the first 10 lines of a file.

📁 The Linux operating system has a structured file system, with important directories such as bin, boot, and etc.

🏠 The home directory is where user-specific files and folders are stored, while the media and mount directories are used for external devices and mounting drives.

💻 The opt directory is for optional software, while the proc directory provides system information and communication between processes.

📂 Linux file system structure

💻 Getting system information from the command line

🌐 Networking commands and IP configuration

🔒 Using sudo for elevated privileges and updating the system using apt

🔒 Elevate privileges using the sudo command to make changes to operating system files.

🔄 Use the update command to update the cache of available packages.

⬆️ Upgrade packages using the upgrade option in the package manager.

📦 Install applications using the package manager, which provides information and reviews about the packages.

📝 Edit text files using text editors like nano and vim, with commands for insert mode, saving changes, and quitting the editor.