Chapter 17

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Which of the following permissions would allow all users to add, view, and delete files in a directory? 750 775 666 777

777

The "execute" permission on a directory allows you to: (choose three) Along with write permission to successfully delete the directory Along with read permission to successfully perform ls -l Along with write permission to successfully create new files Change to that directory or use it as part of a path

Along with read permission to successfully perform ls -l Along with write permission to successfully create new files Change to that directory or use it as part of a path

A user can not delete a file if they do not own it. True or False?

False

Only one set (user, group, other) of permission can be changed at once using the symbolic method. True or False?

False

The "execute" permission is never set on files by default. True or False?

False

The chown command permits changing group ownership done by root only. True or False?

False

The user owner of a file will always have the same or higher permissions as "other". True or False?

False

The user sysadmin will be able to read a file because they own it. True or False?

False

The chown command can be used to change the user owner on a file by: The file owner Only root The file owner and root A user that belongs to the files current group

Only root

The "execute" permission on a file allows you to: Move the file to a new directory Delete the file Run the file as a script This permission isn't meaningful for text files.

Run the file as a script

The chgrp command can be used on a file by: A user that belongs to the files current group Only the file owner The file owner and root Only root

The file owner and root

The chmod command can be used on a file by: Only root A user that belongs to the files current group The file owner The file owner and root

The file owner and root

The chown command can be used to change the owner and group of a file. True or False?

True

The user sysadmin will be able to change the permissions of a file because they own it. True or False?

True

Which of the following commands sets "other" permissions on file to r-x? chmod 775 file chmod 776 file chmod 777 file chmod 774 file

chmod 775 file

Which of the following commands set "other" permissions on file to r-x? chmod o-r-w file chmod o+rx file chmod o=rx file chmod o=r+x file

chmod o=rx file

Which of the following chown commands will change the myFile user ownership to the user sam and the group ownership to administrators? (choose two) chown sam administrators myFile chown sam.administrators myFile chown sam:administrators myFile chown sam+administrators myFile

chown sam.administrators myFile chown sam:administrators myFile

Which of the following commands will list hidden files as well as their ownership? ls -la ls -l ls -a ls -z

ls -la

Octal notation uses the following values for the permissions granted: r = 7, w = 5, x = 0 r = 3, w = 2, x = 1 r = 4, w = 2, x = 0 r = 4, w = 2, x = 1

r = 4, w = 2, x = 1

Which of the following are methods for setting permissions using the chmod command? (choose two) letter primary symbolic octal

symbolic octal


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