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Assume access control list of three files are given as below in Unix directory l

ID: 3834497 • Letter: A

Question

Assume access control list of three files are given as below in Unix directory listing. (you will see something similar when you type ls -l in a unix system)  

Access Control

FileName

Group

Owner

Drw-rwxr-x

Classess

University

Nick

drwxr-----

bills

University

Kate

-rwxrw-rw-

list

OS_Class

Sandra

-rwxr-x--x

Assignment2

OS_Class

Nancy

Narrate the permission given to the owner, group and everybody for each file or folder.

Hint:

d- directory (if it is a folder, otherwise -)

r- read permission

w- write permission

x- execute persmission

Access Control

FileName

Group

Owner

Drw-rwxr-x

Classess

University

Nick

drwxr-----

bills

University

Kate

-rwxrw-rw-

list

OS_Class

Sandra

-rwxr-x--x

Assignment2

OS_Class

Nancy

Explanation / Answer

Classess is a directory.
   Owner Nick.
   He's allowed to read, and write.
   He belong to group University.
   And his group members can read, write, and execute this file.
   All other people can just read and execute this file.

bills is a directory.
   Owner Kate.
   She's allowed to read, write and execute this directory.
   She belongs to group University.
   And her group members can just read this file.
   No other people have access to this directory.
list is a file.
   Owner Sandra.
   She's allowed to read, write and execute this file.
   She belongs to OS_Class group.
   And her group members, and others can just read, and write to this file.
Assignment2 is a file.
   Owner Nancy.
   She's allowed to read, write and execute this file.
   She belong to OS_Class  
   And her group members can just read and execute this file.
   All others can just execute this file.

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