GNU/Linux is a powerful and versatile operating system that forms the foundation of servers, cloud environments, and modern technologies worldwide. A large part of the internet runs on Linux, and your smart vacuum cleaner, Android device, or even your car probably cant do without it. As open-source software, Linux is continuously improved by a global community of developers, making it reliable, secure, and efficient. Step by step, you learn how this powerful system works and why it is so well-suited for servers, automation, containers, cloud environments, and modern applications.
The course begins with an introduction to Linux and UNIX, their history, variations, and the role of the kernel. You learn how the terminal and different shells work and start practicing with basic commands such as echo, date, and who. From there, you move on to essential and advanced file managementcreating, viewing, copying, renaming, deleting, and organizing files and directories. You also work with regular expressions and grep, study filename expansion, and learn how to use the vi editor to edit text files.
The course also covers I/O redirection and pipes, showing how to combine commands into powerful workflows. You explore process management (ps, top, kill, nice), shell variables, and simple scripts. You also look into filesystem management, disk usage, search commands, and working with links. Filters such as sort, uniq, cut, wc, and tr are covered, as well as file comparison tools like diff and cmp. Finally, you focus on permissions, user management, and essential networking tools such as remote login (ssh), secure copy (scp), and rsync. Step by step, you build a solid foundation in Linux and UNIX.
Throughout the course, you complete hands-on exercises in a practical lab environment. You practice using commands in the shell and write your first scripts, immediately putting theory into practice. You learn how to combine commands efficiently, manage user permissions, and use networking tools effectively. This way, you develop directly applicable skills that are valuable for system administration and workflow automation on Linux-based systems.
This course is guaranteed to run. This course covers the following topics:
#Introduction: Role of the kernel. The origins of Linux/UNIX, and the stronger and weaker points of the system. Linux/UNIX versions en flavours. Graphical environment. General use of the command line. Login and logout. Keyboard conventions and online documentation. * Communication between users: Elektronic mail and direct transfer of messages (talk, write). * Search patterns: regular expressions. * The vi/vim editor. * Basic file management: Directories. File names, wildcards and file properties. Dot files. File contents. Copy, move, rename, create and delete files. * File protections: Protect individual files and groups of files. Modify file/directory protections with the chmod command. Umask. Numerical notation. * File system management: The term inode, mount file systems, hard en symbolic links to files. Access to devices via "device special files". Verify disk utilization with the du command. Search files/directories with the find command. * I/O redirection and pipe lines: Input and output of commands, redirection to/from files and pipes. Combine filter commands with pipes. * Filter commands: Properties of important filter commands, like grep, sort, uniq, head, tail, tee, wc, nl, cmp, diff and tr. * Process management: Possibilities of the shell and shell scripts. Shell variables. Profiles. Background and foreground processes, job control. Process-related commands, like ps and top. Properties of signals and the command kill. Priority of processes. * Linux/UNIX and networks: Introduction of network-wide communication facilities like remote login, file transfer en remote execute. Platform-independent commands, like telnet. The secure commands of the SSH family: ssh, slogin, scp and sftp. Directory-synchronisation with the rsync command.
