Question

Having a hard time copying a file from a directory into another directory/subdirectory in Unix.

I am using the cp command but it is not working.  

I am trying to copy the files intro and phonebook from directory chap03 into directory homework/A02.

Can you help?

Answer 1

Solution for the given question are as follows -

- To copy the data from one file to another file or one folder into another folder or sub folder cp command is used.

- to copy file into folder or sub folder use below syntax -

cp [OPTIONS] source destination

cp -R source destination

- R is used to copy a directory, including all its files and subdirectories, to another directory.

cp -R /chap03 /intro /chap03 /phonebook /homework/A02

Answer 2

Solution: Copying Files in Unix Using cp Command

1. Verify Current Directory Structure

First, check where you are and confirm the paths:

bash

Copy

pwd                  # Shows your current directoryls chap03/           # Lists files in chap03 (should show 'intro' and 'phonebook')ls homework/A02/     # Checks if target directory exists

2. Copy Files from chap03 to homework/A02

Use the cp command with the correct paths.
Syntax:

bash

cp source_file(s) destination_directory/

Your Case:

bash

cp chap03/intro chap03/phonebook homework/A02/

This copies both files into homework/A02.

3. Common Issues & Fixes

• Issue 1: Destination directory doesn’t exist.
  Create it first:

  bash

• mkdir -p homework/A02/  # -p creates parent directories if needed

• Issue 2: Permission denied.
  Use sudo (if you have admin rights) or check permissions:

  bash

  
  

  sudo cp chap03/intro homework/A02/  # Only if necessarychmod +w homework/A02/             # Grants write permission

• Issue 3: Typo in paths.
  Double-check paths with ls or tab-completion (type chap0 + Tab to auto-complete).

• 
  

4. Verify the Copy Worked

bash

ls homework/A02/  # Should list 'intro' and 'phonebook'

Alternative: Copy All Files from chap03

bash

cp chap03/* homework/A02/  # Copies all files in chap03