LPI Linux Essentials
Red Hat-based systems use what package file format and what management tools? ANS 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? ANS mkdir Test
The CentOS Linux distribution is based on what other distribution? ANS Red Hat
NGINX and Apache are two common open-source ___ _______. ANS Web servers
What is the difference between permissive and copyleft? ANS 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? ANS Standard
What would the following line do if placed in a shell script?
# rm -rf * ANS Nothing — it's a comment ;-)
What does FLOSS stand for? ANS Free Libre Open-Source Software
What does 'cloud_user@ip-10-0-1-10 $' in the console mean? ANS The user cloud_user is logged into the
host ip-10-0-1-10, and the shell is running with normal user privileges ($) and ready for commands.
What command could you use to reference the documentation of a CLI utility? ANS 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? ANS $PATH
What source does a Linux distribution typically use for installations? ANS The distribution's software
repository.
Does the useradd command create the home directory by default? ANS 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? ANS history
What provides the basic utilities expected to exist on an operating system? ANS The GNU Core utilities
What can dpkg-based systems use for package management? ANS apt
What is the basic format of a for loop? ANS for VARIABLE in SOMETHING
do COMMANDS
done
Which utility can be used to search for a pattern or string? ANS grep
Which utility can be used to count the number of words in a file? ANS wc
What is the basic format of an if statement? ANS if [ SOME_TEST ]
then
SOME_COMMANDS
Red Hat-based systems use what package file format and what management tools? ANS 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? ANS mkdir Test
The CentOS Linux distribution is based on what other distribution? ANS Red Hat
NGINX and Apache are two common open-source ___ _______. ANS Web servers
What is the difference between permissive and copyleft? ANS 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? ANS Standard
What would the following line do if placed in a shell script?
# rm -rf * ANS Nothing — it's a comment ;-)
What does FLOSS stand for? ANS Free Libre Open-Source Software
What does 'cloud_user@ip-10-0-1-10 $' in the console mean? ANS The user cloud_user is logged into the
host ip-10-0-1-10, and the shell is running with normal user privileges ($) and ready for commands.
What command could you use to reference the documentation of a CLI utility? ANS 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? ANS $PATH
What source does a Linux distribution typically use for installations? ANS The distribution's software
repository.
Does the useradd command create the home directory by default? ANS 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? ANS history
What provides the basic utilities expected to exist on an operating system? ANS The GNU Core utilities
What can dpkg-based systems use for package management? ANS apt
What is the basic format of a for loop? ANS for VARIABLE in SOMETHING
do COMMANDS
done
Which utility can be used to search for a pattern or string? ANS grep
Which utility can be used to count the number of words in a file? ANS wc
What is the basic format of an if statement? ANS if [ SOME_TEST ]
then
SOME_COMMANDS
