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Learn Linux - Prerequisite Skills & Environment Setup
Before diving deeper into Linux, there are several basic skills and tools you need to prepare first, from fundamental computer concepts, a willingness to learn the CLI, choosing the right distro and learning environment, to installing and verifying your first Linux system.
August 2, 2026
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#1
Learn Linux - History, Background & Linux Philosophy
Tracing how Linux was born: from the Unix era at Bell Labs, the GNU project fighting for software freedom, the birth of the Linux kernel by Linus Torvalds, to the Unix philosophy that became the DNA of the entire Linux ecosystem.
August 2, 2026
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#2
Learn Linux - System Architecture & Filesystem Hierarchy Standard (FHS)
Dissecting how Linux works from the inside: the architectural layers of Hardware, Kernel, Shell, and applications, then exploring the standard FHS directory structure along with the function of each directory such as /etc, /home, /var, and /proc.
August 2, 2026
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#3
Learn Linux - Filesystem Navigation & File/Folder Management
Mastering Linux navigation and file management commands: pwd, ls, cd, mkdir, touch, cp, mv, rm, and rmdir, plus wildcards for file patterns, complete with exercises to build a real project structure.
August 2, 2026
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#4
Learn Linux - Reading, Viewing & Editing Text Files
Mastering how to read and edit text files in Linux: cat, tac, less, more, head, and tail -f for real-time log monitoring, plus an introduction to the CLI editors nano and vim along with practice editing configuration files.
August 2, 2026
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#5
Learn Linux - Pipelines, Redirection & I/O Streams
Understanding Linux's three standard I/O streams — stdin, stdout, stderr — along with redirection operators (>, >>, 2>, &>), the pipeline (|), and tee for building flexible command chains and preserving logs.
August 2, 2026
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#6
Learn Linux - Text Processing & Filtering Commands
Mastering Linux's core text processing commands — grep, sort, uniq, cut, wc, tr, sed, and awk — through to real-world practice parsing a web server's access log to find the IPs that visit the site most often.
August 2, 2026
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#7
Learn Linux - Symbolic Links, Archiving & Compression
Understanding the difference between hard links and symlinks based on inodes, mastering tar, gzip, bzip2, xz, and zip for archiving and compression, through to assembling a safe, verified backup routine for system directories.
August 2, 2026
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#8
Learn Linux - User & Group Management
Understanding the multi-user and superuser concepts, managing user accounts and groups with useradd, usermod, userdel, and passwd, reading the contents of /etc/passwd, /etc/shadow, and /etc/group, through to building a deploy user with limited rights that is securely locked down.
August 2, 2026
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#9
Learn Linux - File Permissions & Ownership
Understanding the Linux permission model — read, write, execute — for owner, group, and others, mastering octal and symbolic chmod, chown, umask, and the special bits SUID, SGID, and the sticky bit, through to securing SSH keys and shared directories in practice.
August 2, 2026
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