Linux
Linux is a powerful open-source operating system kernel that forms the foundation of many distributions, such as Ubuntu, Fedora, and CentOS. It is widely used for servers, desktops, embedded systems, and cloud infrastructure due to its stability, security, and flexibility.
Key Features Open Source: Freely available and customizable. Multiuser and Multitasking: Supports multiple users and processes simultaneously. Security: Robust permission and user management. Package Management: Easy installation and updating of software via package managers like apt, yum, and dnf. Common Commands ls # List directory contents cd # Change directory cp # Copy files and directories mv # Move or rename files and directories rm # Remove files or directories chmod # Change file permissions ps # Display running processes top # Monitor system resources Linux skills are essential for DevOps, system administration, and software development roles.
