Run nano lab/editing-bridge.txt. Type exactly: owner=learner, status=verified, rollback=ready on separate lines; find verified with Ctrl+W and save with Ctrl+O.
nano lab/editing-bridge.txt
Mission 330
Nano editing bridge
Checkpoint search, save, verification, and recovery-note habits.
Nano and editingnanogrepwc
Lesson 330 of 360
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Nano and editing · 8 minutes
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learner@clairos:/home/learner $
Unix ops lab: type a command, press Enter
Instructions
8 minutes
Click any instruction for the command details, the why, and the common mistake to avoid.
Run grep verified lab/editing-bridge.txt.
grep verified lab/editing-bridge.txt
Run wc -l lab/editing-bridge.txt.
wc -l lab/editing-bridge.txt
Save progress
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Noverified
Progress sync stores completion IDs, scores, streaks, badges, and game settings. Terminal contents, editor snippets, lab scratch, email, and real names are never published on leaderboards or share cards.
Lesson support
What to notice while you play.
Build repeatable confidence with finishing an edit with observable verification.
Write the exact checkpoint lines, search for verified with Ctrl+W, and save with Ctrl+O.
Finishing an edit with observable verification helps operators explain what they know before they change anything.
- Skipping the output that proves finishing an edit with observable verification.
- Changing several things before recording a baseline.
Reference
Commands in this lesson.
nano <file>
Open a simulated nano editor.
grep [-i] <text> <file>
Find literal text inside a file.
wc [-l] <file>
Count lines, words, and characters.