Linux & the Command Line

Navigate, create, search and automate from the shell. The skill every developer and admin uses daily.

Beginner 8 modules about 10 h Free
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  1. 1 What the Shell Is and Why It Matters Terminals, shells and prompts explained, and how to read any command you see. 20 min
  2. 2 Navigating the File System Absolute and relative paths, the Linux folder layout and moving around quickly. 25 min
  3. 3 Creating, Copying, Moving and Deleting Work with files and folders safely, including the commands that cannot be undone. 30 min
  4. 4 Reading and Searching Files View files of any size, and find text and files fast with grep and find. 30 min
  5. 5 Pipes, Redirection and Combining Commands Chain small tools into powerful one-liners, the core idea of the Unix philosophy. 30 min
  6. 6 Permissions and Ownership Read and change who can read, write and run a file, and when to use sudo. 30 min
  7. 7 Processes, Jobs and System Resources See what is running, stop what is stuck and check CPU, memory and disk. 25 min
  8. 8 Environment, Shell Configuration and Your First Script Variables, PATH, aliases, .bashrc and a first useful Bash script. 35 min