Reviewing core CLI skills, this article teaches how cd moves through the filesystem (home shortcuts, ..), ls lists and inspects contents (-l, -a, -R, paths), and mkdir creates folders (including -p), then ties them together in a quick project-setup workflow (cd to Projects, ls to verify, mkdir and enter a new dir). Mastering these basics speeds navigation, boosts productivity, and underpins more advanced tools.
The article explains how Flask’s built-in CLI lets you run Python tasks from the terminal and automate repetitive work by defining custom commands (e.g., in commands.py) with @app.cli.command. It covers setup, a basic “hello” command, and advanced features—arguments via argparse, options via click, and command groups—showing how Flask CLI streamlines and organizes development workflows.
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