Which of the following commands should Ann execute to write content to /etc/yum?

Ann, a junior systems administrator, is required to add a line to the /etc/yum.conf file.

However, she receives the following error message when she tries to add the line:

Ann performs some diagnostics to attempt to find the root cause:

Which of the following commands should Ann execute to write content to /etc/yum?
A . chmod 755 /etc/yum.conf
B. setfacl Cm m:rw /etc/yum.conf
C. chattr CI /etc/yum.conf
D. setenforce 0

View Answer

Answer: C

Explanation:

https://www.linuxtoday.com/upload/5-chattr-commands-to-make-important-files-immutable-unchangeable-in-linux-141004025008.html