Linux Screen Command: re Attach an Already Attached Session

Here are some useful tips to use screen command in Linux user logins. Linux screen command is very useful command to keep the session logged in without any failure even if any kind of network failure etc.
  1. Invoke a Screen session
Login to your a/c

screen -S -- You can mention what ever name you want

  1. Command to detach an attached session
ctrl+a and press d

  1. List the screen sessions under your login 
screen -ls

  1. Command to reattach an already attached session

screen -r -d  
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