Linux-Beginner

Understanding the Linux filesystem hierarchy, what lives where, and the essential commands for navigating the directory tree.

How software is installed, updated, and removed on Linux — covering package management concepts and practical commands for Debian and RHEL-based systems.

How Linux controls access to files and resources — users, groups, ownership, file permissions, and sudo.

How Linux manages running programs — viewing processes, controlling jobs, managing services with systemd, and understanding resource usage.

How the shell connects commands together — standard streams, redirection, pipes, command chaining, and practical patterns for combining simple tools into powerful workflows.

How to use man pages effectively — understanding sections, navigating entries, reading the synopsis format, and finding the right documentation for any command, system call, or config file.