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I created a file in Ubuntu command prompt like this

$ gedit first_file.txt 

After editing and saving the file when do ls on command prompt I can see an additional file created

first_file.txt~  

My Question

  1. What is this file and why it is created?
  2. Will it ok to tell Ubuntu not to created these files and how?
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marked as duplicate by vasa1, Takkat, Glutanimate, Eric Carvalho, Warren Hill Jul 15 '13 at 7:33

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

1 Answer 1

up vote 3 down vote accepted

They are backup copies.

To control the creation of those: Edit -> Preferences -> Editor and look for "File Saving".

enter image description here

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