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File and Directory Permissions in Linux Quiz

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#1

What command is used to change file permissions in Linux?

chmod
Explanation

Changes file permissions in Linux.

#2

In Linux, what does the 'r' permission on a file mean?

Read
Explanation

Allows reading the file.

#3

What is the command to list files along with their permissions in Linux?

ls -l
Explanation

Lists files with detailed permissions.

#4

What command is used to change the owner of a file in Linux?

chown
Explanation

Changes the owner of a file in Linux.

#5

What is the octal representation for giving read, write, and execute permissions to the owner, but only read permission to the group and others?

644
Explanation

Owner gets read, write, execute; group gets read; others get read.

#6

What command is used to change the group of a file in Linux?

chgrp
Explanation

Changes the group of a file in Linux.

#7

In Linux, what does the 't' permission on a directory mean?

Temporary
Explanation

Temporary directory, files can be deleted only by the owner.

#8

In Linux file permissions, what does 's' represent when it is set on the user (owner) permission for an executable file?

SUID
Explanation

Gives the process the permissions of the file owner.

#9

What is the purpose of the setuid permission in Linux?

Gives a process the permissions of the file owner
Explanation

Gives a process the permissions of the file owner.

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