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A technician wants to save permission-denied messages from a `find` search into a file while keeping normal results visible. Which command fits?

Which path symbol means the current directory?

Why is the hostname useful when students are using SSH?

Which statement best distinguishes archiving from compression for a workplace handoff?

The prompt is `joe@example:~/project/docs$`. Which command moves Joe to `~/project`?

A technician is creating a troubleshooting log and wants to add a new line without erasing the existing contents. Which operator should they use?

A technician is about to extract an unknown archive. Which step helps prevent files from being scattered into the wrong place?

What is the correct first SSH command students use from their own computer in Module 1?

A technician runs `ls missing-file.txt 2> error-log.txt`. What is redirected to `error-log.txt`?

Joe wants a shortcut-like file named `latest.txt` that points to `reports/week1.txt`. Which command fits the goal?