[Solved] Given a script hello.sh without execute permission, what will be the output of the command sequence below? ls -l hello.sh chmod +x hello.sh ls -l hello.sh | Bash Scripting

Bash Scripting - Basics

Given a script hello.sh without execute permission, what will be the output of the command sequence below?

ls -l hello.sh
chmod +x hello.sh
ls -l hello.sh

ABoth <code>ls -l</code> commands show execute permission.

BThe first <code>ls -l</code> shows no execute permission; the second shows execute permission added.

CThe first <code>ls -l</code> shows execute permission; the second removes it.

DBoth <code>ls -l</code> commands show no execute permission.

Step-by-Step Solution

Solution:

Step 1: Understand initial permissions
Initially, hello.sh has no execute permission, so ls -l shows no 'x' in permissions.
Step 2: Apply chmod +x and check again
After running chmod +x hello.sh, execute permission is added, so the second ls -l shows 'x' in permissions.
Final Answer:
The first ls -l shows no execute permission; the second shows execute permission added. -> Option B
Quick Check:
Adding +x updates permissions visible in ls -l [OK]

Quick Trick: Check permissions before and after with ls -l [OK]

Common Mistakes:

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