In a script, you want to copy a file from user john's home directory to the current directory. Which command correctly uses tilde expansion?

hard🚀 Application Q9 of 15

Bash Scripting - Quoting and Expansion

In a script, you want to copy a file from user john's home directory to the current directory. Which command correctly uses tilde expansion?

Acp ~john/file.txt .

Bcp ~/john/file.txt .

Ccp ~ /john/file.txt .

Dcp /~john/file.txt .

Step-by-Step Solution

Solution:

Step 1: Recall tilde for other user's home
~john expands to John's home directory.
Step 2: Check path correctness
cp ~john/file.txt . correctly copies file from John's home. Others have invalid syntax or wrong paths.
Final Answer:
cp ~john/file.txt . -> Option A
Quick Check:
Use ~username/path for other user's files [OK]

Quick Trick: Use ~username/path to access other user's files [OK]

Common Mistakes:

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