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Which command shows only filenames with matches when grepping recursively? 

Which command show who has a mount in use? 

John has created a directory named “example” with permissions “rwx-wx—” in Linux. John part of the engineering group and is the owner of that directory. Steve is a member of the engineering group. What can Steve do with the example directory? 

Which tool schedules one-time tasks? 

Which tar command extracts and archive to /tmp/restore?

David would like to know which directory contains the kernel device model interface, or sysfs. Which directory is David looking for? 

Which command creates a raw image of /dev/sdb to ~/sdb.img with progress? 

Raphael would like to enable and start cron immediately on Ubuntu. Which command should he use? 

How does the Tomb of the Shields and Chairs help us understand what Etruscan houses looked like. 

What term matches the following definition? “An almond-shaped nimbus surrounding the figure of Christ or other sacred figure. In Buddhist Japan, a lotus-petal-shaped nimbus.”