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 AWS DevOps: Understanding core principle of Linux OS

Linux is an open-source operating system kernel that serves as the core of various Linux distributions (or distros). Understanding the core principles of Linux can help you grasp the philosophy and design concepts that underpin this operating system:                                                                             - DevOps Training

Open Source and Free Software: Linux is distributed under open-source licenses, such as the GNU General Public License (GPL). This means that anyone can view, modify, and distribute the source code freely.

Kernel: Linux consists of a kernel, which is the core part of the operating system responsible for managing hardware resources, process scheduling, memory management, and device drivers.                                      - DevOps Online Training  

Multiuser and Multitasking: Linux is a multiuser and multitasking operating system, which means it can run multiple processes and support multiple users simultaneously.

File System Hierarchy: Linux organizes files and directories in a hierarchical structure. The root directory ("/") is at the top, and everything in the file system is located beneath it. Common directories include "/bin" (system binaries), "/home" (user home directories), "/etc" (system configuration files), and "/var" (variable data).                                            - DevOps Online Training in Hyderabad

Shell: Linux provides a command-line interface (CLI) called a shell. The default shell for many distributions is usually Bash (Bourne Again Shell). The shell allows users to interact with the operating system by entering commands, running scripts, and automating tasks.

Text Configuration Files: Linux system configuration is often managed through text files, which are stored in directories like "/etc." These files contain settings and parameters for various system components, making it easy to customize and configure the system.                                -DevOps Online Training institute

Security: Linux is known for its strong security features. It employs user and group permissions, a robust firewall (iptables or firewalld), and SELinux/AppArmor for mandatory access control. -DevOps Project Training

Networking: Linux has extensive networking capabilities, making it suitable for various server applications. It supports protocols like TCP/IP, DHCP, DNS, and more, allowing it to function as a web server, mail server, or router.

Community and Collaboration: Linux development is a collaborative effort involving a global community of developers, volunteers, and organizations. This diverse community works together to improve the kernel and create various Linux distributions                                 -DevOps Training institute in Ameerpet

Portability: Linux is highly portable and can run on various hardware architectures, from desktops and servers to embedded systems and smartphones.

Customization: Linux allows users to customize their systems extensively. Users can choose from a wide range of desktop environments, window managers, themes, and software packages to create a personalized computing experience.

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