FernandoG
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Cadet
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RH124 chapter 7 on quiz Interpret Linux File System Permissions

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Can anyone explain me why operator1 can delete all the files, even if he/she does not has write permission for app1.log ?

For context:

The system has four users that are assigned to the following groups:

  • The consultant1 user is a member of the consultant1 and database1 groups.

  • The operator1 user is a member of the operator1 and database1 groups.

  • The contractor1 user is a member of the contractor1 and contractor3 groups.

  • The operator2 user is a member of the operator2 and contractor3 groups.

The . special directory contains four files with the following permissions:

drwxrwxr-x.   operator1     database1     .
-rw-rw-r--.   consultant1   consultant1   app1.log
-rw-r--rw-.   consultant1   database1     app2.log
-rw-rw-r--.   operator1     database1     db1.conf
-rw-r-----.   operator1     database1     db2.conf

 

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Fran_Garcia
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The delete operation is actually "unlinking a file from their parent directory". Since operator1 is the owner of the directory ("."), the user can perform any creation and deletion operation on that directory.

 

Hope this helps!

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Fran_Garcia
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Starfighter
  • 393 Views

The delete operation is actually "unlinking a file from their parent directory". Since operator1 is the owner of the directory ("."), the user can perform any creation and deletion operation on that directory.

 

Hope this helps!

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