[Solved] What is the output of mkdir testdir && ls if testdir does not exist? — Ans: Creates 'testdir' directory and lists it among files | Linux CLI

Linux CLI - File and Directory Operations

What is the output of mkdir testdir && ls if testdir does not exist?

ACreates 'testdir' directory and lists it among files

BShows an error because 'testdir' exists

CDeletes 'testdir' directory

DLists files but does not create 'testdir'

Step-by-Step Solution

Solution:

Step 1: Understand mkdir command
mkdir creates a new directory named 'testdir' if it doesn't exist.
Step 2: Understand ls command after mkdir
ls lists current directory contents, now including 'testdir'.
Final Answer:
Creates 'testdir' directory and lists it among files -> Option A
Quick Check:
mkdir then ls output = A [OK]

Quick Trick: mkdir creates directory; ls shows it [OK]

Common Mistakes:

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What is the output of mkdir testdir && ls if testdir does not exist?