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Question

Difficulty: MediummacOS and Linux Operating System Features and Tools

Match each macOS system feature or Linux/macOS command-line utility to its primary administrative function.

  • ddCLI tool used for low-level copying and converting of raw data, often used to create bootable media.
  • NVRAMmacOS memory component storing persistent system settings such as startup disk selection and volume level across reboots.
  • lsofCommand-line utility used to list all active open files and the specific processes using them.
  • Disk UtilityNative macOS tool used to repair file system structures, partition storage drives, and erase disks.

Answer

dd matches low-level raw data copying and bootable media creation; NVRAM matches storing persistent macOS system configuration settings across reboots; lsof matches listing all active open files and associated process IDs; Disk Utility matches repairing file systems, partitioning drives, and managing disk images in macOS.
Each feature or utility is matched to its true function: dd is a low-level raw copying tool, NVRAM stores non-volatile system settings in macOS, lsof lists open files and process ties, and Disk Utility is the native macOS storage maintenance app.

Step-by-Step Solution

1
Identify the command-line utility for raw block copy tasks.
dd is recognized as the utility for bit-by-bit raw data copying.
Technicians use dd to write ISO images directly to USB drives or clone storage blocks.
2
Identify the persistent hardware memory area in macOS.
NVRAM holds low-level system configuration settings.
Resetting NVRAM resolves issues related to boot device selection, screen resolution, and audio settings.
3
Identify the process monitoring CLI command related to open handles.
lsof outputs active files opened by processes.
The name lsof stands for 'list open files', allowing technicians to identify locked files or active network sockets.
4
Identify the primary macOS GUI storage management application.
Disk Utility provides drive partitioning, wiping, and First Aid functionality.
It is the standard built-in GUI utility in macOS for drive diagnostics and volume formatting.

Key Concept

macOS and Linux Operating System Features and Tools
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Topics

macOS and Linux Operating System Features and Tools

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