You have the /tools directory on a system with critical system files reserved for future use. As a
Linux administrator which command would you use to protect these files from a user who might
get the UID or GID as shown below?
[root@server1 ~]# Is -Id /tools/
drwxrwx- 108 517 527 4096 Mar 26 20:00 /tools/
A.
chmod o+t /tools
B.
chmod u+s /tools
C.
chown-R 0.0/tools
D.
chown -R nobody.nobody /tools