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Linux 101: List Files and Use Patterns
Inspect directory contents from the Linux terminal, read what a listing tells you, sort it to find the entry you need faster, and use shell patterns to name groups of files.
Shell Gyms
Repeatable hands-on drills for building command-line fluency. Practice essential commands in a real terminal, then revisit them on a spaced repetition schedule until they become second nature.
Official Collection
Shell gyms crafted by iximiuz Labs to help you build command-line fluency.
Shell Gym , on
Linux 101: Create Files and Directories
Create files and directory structures from the Linux terminal. Practice using touch and mkdir, building nested directory trees, working with tricky names, and creating groups of files in one go.
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Linux 101: Navigate the Filesystem
Your third hands-on session in a Linux terminal. Learn how the Linux directory tree is organized and practice navigating it with absolute paths, relative paths, and common shell shortcuts.
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Linux 101: Get Unstuck in the Shell
Your second hands-on session in a Linux terminal. Find out what a command name really runs, learn how to get help with --help and man pages, and stop or suspend commands that do not give the prompt back.
Shell Gym , on
Linux 101: Meet the Linux Shell
Your first hands-on session in a Linux terminal. Practice running commands, reading their output, using arguments and options, checking whether commands succeed or fail, and chaining commands together. No prior Linux experience is required.