[Solved] What will be the output of the following commands?sleep 3 & echo "Done" — Ans: Done (immediately), then sleep runs in background | Linux CLI

Linux CLI - Process Management

What will be the output of the following commands?

sleep 3 &
echo "Done"

ADone (immediately), then sleep runs in background

BDone after 3 seconds, then sleep runs

Csleep runs first, then Done prints after 3 seconds

DNo output until sleep finishes

Step-by-Step Solution

Solution:

Step 1: Understand background execution
The sleep 3 & runs sleep in background, so shell immediately runs next command.
Step 2: Analyze output order
The echo "Done" runs immediately and prints "Done" before sleep finishes.
Final Answer:
Done (immediately), then sleep runs in background -> Option A
Quick Check:
Background & runs immediately, next command prints [OK]

Quick Trick: Background commands don't block next commands [OK]

Common Mistakes:

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