Run head -n 1 scripts/deploy.sh.
head -n 1 scripts/deploy.sh
Mission 255
Shebang reading
Inspect script interpreter declarations before execution.
Shell scriptingheadgrepstat
Lesson 255 of 360
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Shell scripting · 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 set scripts/deploy.sh.
grep set scripts/deploy.sh
Run stat scripts/deploy.sh.
stat scripts/deploy.sh
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Lesson support
What to notice while you play.
Inspect script interpreter declarations before execution.
Run the commands in order and compare the outputs.
Junior operators build confidence by gathering evidence before changing systems.
- Skipping the inspection step.
- Assuming one command tells the whole story.
Reference
Commands in this lesson.
head|tail [-n N] <file>
Read the beginning or end of a file.
grep [-i] <text> <file>
Find literal text inside a file.
stat <path>
Show lab file details.