linux midterm

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…

• …prevents others from overwriting files they don’t own in common directories.

• …sets the group ownership of any new file created in a directory.

• …changes the group ownership of existing files in a directory.

• …prevents others from removing files they don’t own from a common directory.

Which of the following commands will set the sticky bit on /shared ?

• chmod 6777 /shared

• chmod 1777 /shared

• chmod 2777 /shared

• chmod 4777 /shared

The setuid permission…

• …allows a command to be run as the file owner.

• …reports the output of a script to the owner.

• …prevents the owner of a file from being changed.

• …allows files in a directory to be manipulated as by the directory owner.

Which of the following commands will set setuid for the /usr/bin/program?

• None of the above

• chmod 2755 /usr/bin/program

• chmod 1755 /usr/bin/program

• chmod 4755 /usr/bin/program

The setgid permission… (choose two)

• …prevents the group owner of a file from being changed.

• …can only be set on files.

• …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.

Which of the following commands will set setgid on /shared ?

• chmod 2777 /shared

• chmod 1777 /shared

• chmod 7777 /shared

• None of these options are correct

• 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

• drwSrwxrwx. 12 root group 4096 Oct 21 13:12 /shared

• drwxrwxrws. 12 root group 4096 Oct 21 13:12 /shared

Setting setgid on a directory…

• …is not allowed by the system.

• …will allow scripts in the directory to be executed as the group owner of the directory.

• …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