Training · Linux fundamentals

The analogy. A city with one rule: everything is an address. Files, disks and even running processes have a path, which is why the same three tools can inspect all of them.

The shell is the classroom: the lecture behind this lab covers the mental model, the commands you are about to use, and the four things that usually go wrong.

Read the lecture before you start
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Linux Basics: Files & Directories

Beginner15 min0/3 activities

Create directories and files, then write content into them using redirection.

Activities

  1. 01Create the directory /opt/app

    Make a new directory at the absolute path /opt/app.

  2. 02Create an empty file /opt/app/notes.txt

    Create a file called notes.txt inside /opt/app.

  3. 03Write 'hello ophir' into /opt/app/readme.md

    The file must contain the text hello ophir.

student@ophir-lab — linux-basics-01
bash 5.2 · x86_64 (wasm)isolated · no network egress