VERIFIED ANSWERS
Red Hat-based systems use what package file format and what management tools? - CORRECT
ANSWER✅✅✅The package file format is rpm.
The package management tool is yum (or dnf, in the case of Fedora).
What command could you use to create a new empty directory named "Test" in your current working
directory? - CORRECT ANSWER✅✅✅mkdir Test
The CentOS Linux distribution is based on what other distribution? - CORRECT ANSWER✅✅✅Red
Hat
NGINX and Apache are two common open-source ___ _______. - CORRECT ANSWER✅✅✅Web
servers
What is the difference between permissive and copyleft? - CORRECT ANSWER✅✅✅Copyleft is more
restrictive in terms of licensing derivative works.
Would you use a standard release or a rolling release distribution for an enterprise Linux server
installation? - CORRECT ANSWER✅✅✅Standard
What would the following line do if placed in a shell script?
# rm -rf * - CORRECT ANSWER✅✅✅Nothing — it's a comment ;-)
What does FLOSS stand for? - CORRECT ANSWER✅✅✅Free Libre Open-Source Software
What does 'cloud_user@ip-10-0-1-10 $' in the console mean? - CORRECT ANSWER✅✅✅The user
cloud_user is logged into the host ip-10-0-1-10, and the shell is running with normal user privileges ($)
and ready for commands.
, What command could you use to reference the documentation of a CLI utility? - CORRECT
ANSWER✅✅✅man or info, followed by the utility name
To what variable would you add the path to a shell script so you could execute it without referencing the
path? - CORRECT ANSWER✅✅✅$PATH
What source does a Linux distribution typically use for installations? - CORRECT ANSWER✅✅✅The
distribution's software repository.
Does the useradd command create the home directory by default? - CORRECT
ANSWER✅✅✅useradd merely sets the home directory in /etc/passwd; it doesn't create it by
default.
What command could you use to display command history? - CORRECT ANSWER✅✅✅history
What provides the basic utilities expected to exist on an operating system? - CORRECT
ANSWER✅✅✅The GNU Core utilities
What can dpkg-based systems use for package management? - CORRECT ANSWER✅✅✅apt
What is the basic format of a for loop? - CORRECT ANSWER✅✅✅for VARIABLE in SOMETHING
do COMMANDS
done
Which utility can be used to search for a pattern or string? - CORRECT ANSWER✅✅✅grep
Which utility can be used to count the number of words in a file? - CORRECT ANSWER✅✅✅wc
What is the basic format of an if statement? - CORRECT ANSWER✅✅✅if [ SOME_TEST ]
then