What is the unix command to determine the number of lines in
     What is the unix command to determine the number of lines in a file?  Write a unix command to add execute permissions to a file named \"script.py\" to the user?  What is the unix command to list your current working directory?  Write a unix command to copy a directory named \"A\" along with any files inside of it to your home directory.  What is the path to the root directory of a unix filesystem?  ~/./home/ 
  
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1.what is the unix command to determine the number of lines in a file
Ans:WC
2.what is the unix command to list the current working directory?
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