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What does pressing the Tab key once do in a Linux terminal?

easy📝 Conceptual Q11 of 15
Linux CLI - Navigating the File System
What does pressing the Tab key once do in a Linux terminal?
AAutomatically completes the command or filename if there is only one match
BDeletes the current command line
COpens a new terminal window
DRuns the current command immediately
Step-by-Step Solution
Solution:

  1. Step 1: Understand the function of Tab key in terminal

    Pressing Tab once tries to complete the command or filename you are typing if there is only one possible match.

  2. Step 2: Differentiate from other keys

    Other options like deleting or running commands are not triggered by Tab key.

  3. Final Answer:

    Automatically completes the command or filename if there is only one match -> Option A

  4. Quick Check:

    Tab once = auto-complete [OK]
Quick Trick: Tab once completes if only one match exists [OK]
Common Mistakes:
MISTAKES
  • Thinking Tab runs the command
  • Confusing Tab with deleting text
  • Assuming Tab opens new windows

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