Multiple choice unix

Which of the following commands is used to obtain a list of all files by modification time?





    

      
    
            
  1. 
              
    ls -1
    
    
            
    2. 
            
  2. 
              
    ls -t
    
    
            
    3. 
            
  3. 
              
    ls -i
    
    
            
    4. 
            
  4. 
              
    ls -R
    
    
            
    5. 
      

    


    

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        B
        Correct answer
      

        

          Explanation
          

            
The ls -t command sorts files by modification time, showing the most recently modified files first. This is the standard option for listing files chronologically by when they were last changed.


          

        

    

  



          

      
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