A Linux server running systemd booted to rescue.target for maintenance. Which commands are used to restore the server to its usual target? (Choose two.)
Which directory contains system-specific systemd unit files? (Specify the full path to the directory.)
What is the purpose of a system mount unit?
Which of the following commands creates a Btrfs subvolume named volume in/mnt?
What command discards unused blocks on a mounted file system in order to support SSD devices? (Specify ONLY the command without any path or parameters.)