Linux Basics for Big Data

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Permissions of Processes

Usually, when a program runs with the same permissions as the user who is running it. The program can read or modify only the files which user is allowed to.


What are the permissions of /etc/shadow file?


ls -l /etc/shadow
  • drwxrwxr-x
  • ----------
  • -rw-rw-r--
  • The file does not exist
  • We are not allow to see the permissionf of this file