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Linux
Learn how to work a real Linux system from the terminal - navigate and inspect the filesystem, manage files, permissions, and processes, script the shell, and administer users, services, storage, networking, and security the way it is done in production.
Linux CLIModule 1
4Filesystem Navigation & Paths
Learn how to move through the filesystem with confidence - resolve any path to its canonical form, list everything a directory really holds, and identify files by their content instead of their names.
Resolve The Right Path
Hidden Inventory
What Is This File Really
Directory Audit Report
Module 2
4File & Directory Operations
Learn how to create, copy, move, and link files safely - idempotent scaffolding, copies that preserve permissions and timestamps, guards against clobbering newer work, and hard and symbolic links in place of wasteful copies.