Last Updated on October 17, 2019 by Admin
NDG Linux Essentials 2.0 Chapter 18 Exam Answers
-
The
/tmp
directory is a temporary directory designed as a location where any user can create a temporary file.True or False?
- True
- False
-
The “sticky bit” permission…
- …sets the group ownership of any new file created in a directory.
- …prevents others from removing files they don’t own from a common directory.
- …changes the group ownership of existing files in a directory.
- …prevents others from overwriting files they don’t own in common directories.
-
Which of the following commands will set the “sticky bit” on
/shared
?- chmod 2777 /shared
- chmod 1777 /shared
- chmod 6777 /shared
- chmod 4777 /shared
-
The “setuid” permission…
- …prevents the owner of a file from being changed.
- …allows files in a directory to be manipulated as by the directory owner.
- …reports the output of a script to the owner.
- …allows a command to be run as the file owner.
-
Which of the following commands will set setuid for
/usr/bin/
program?- chmod 4755 /usr/bin/program
- chmod 2755 /usr/bin/program
- None of the above
- chmod 1755 /usr/bin/program
-
The “setgid” permission…
(choose two)
- …prevents the group owner of a file from being changed.
- …allows a command to be run as the group owner of the file.
- …allows files created in a directory to be owned by the group that owns the directory.
- …can only be set on files.
-
Which of the following commands will set setgid on
/shared
?- None of the above
- chmod 2777 /shared
- chmod 1777 /shared
- chmod 4777 /shared
- chmod 4777 /shared
-
Which of the following long listings represents setgid set for
/shared
?- drwxrwsrwx. 12 root group 4096 Oct 21 13:12 /shared
- drwsrwxrwx. 12 root group 4096 Oct 21 13:12 /shared
- drwxrwxrws. 12 root group 4096 Oct 21 13:12 /shared
- drwSrwxrwx. 12 root group 4096 Oct 21 13:12 /shared
-
Setting setgid on a directory…
- …will allow scripts in the directory to be executed as the group owner of the directory.
- …is not allowed by the system.
- …does nothing.
- …will set the group owner of all files created in the directory to the group owner of the directory.
-
Deleting a source file will break an associated hard link.
True or False?
- True
- False
-
A source and a hard link must be part of the same filesystem.
True or False?
- True
- False
-
Deleting a source file will break an associated symbolic link.
True or False?
- True
- False
-
A source file and a symbolic link must be part of the same file system.
True or False?
- True
- False
-
Which of the following commands would create a hard link, link to file?
- ln file link
- ln link file
- ln -s file link
- ln -s link file
-
Which of the following commands would create a symbolic link, link to file?
- ln file link
- ln -s link file
- ln link file
- ln -s file link
-
Which of the following
ls
commands, when executed, will only show information about the directory itself?(choose two)
- ls -h
- ld -d
- ls -ld
- ld -a
-
Which of the following directories are designed as locations where any user can create a temporary file?
(choose two)
- /sbin
- /lost+found
- /tmp
- /home
- /var/tmp