Installing, updating, removing packages in Linux CLI - Cheat Sheet & Quick Revision

Recall & Review

beginner

What command installs a package using apt on Debian-based systems?

Use sudo apt install <package-name> to install a package. It downloads and sets up the software for you.

beginner

How do you update the list of available packages on a Debian-based system?

Run sudo apt update. This refreshes the package list so your system knows about the latest versions.

beginner

What command removes a package but keeps its configuration files?

Use sudo apt remove <package-name>. It deletes the program but leaves settings in case you reinstall later.

intermediate

How do you completely remove a package including its configuration files?

Use sudo apt purge <package-name>. This deletes the program and all its settings.

beginner

What command upgrades all installed packages to their latest versions?

Run sudo apt upgrade. It updates all your software to the newest versions available.

Which command updates the package list on a Debian-based system?

A sudo apt update

B sudo apt upgrade

C sudo apt install

D sudo apt remove

sudo apt update refreshes the package list. upgrade installs updates, install adds new packages, and remove deletes packages.

What does sudo apt purge <package> do?

A Removes a package and its config files

B Removes a package but keeps config files

C Installs a package

D Updates all packages

purge deletes the package and all its configuration files.

Which command installs a new package?

A sudo apt update

B sudo apt remove

C sudo apt install

D sudo apt upgrade

sudo apt install downloads and installs new software.

If you want to keep configuration files after removing a package, which command do you use?

A sudo apt purge

B sudo apt upgrade

C sudo apt update

D sudo apt remove

remove deletes the package but keeps config files; purge deletes both.

What command upgrades all installed packages to their latest versions?

A sudo apt update

B sudo apt upgrade

C sudo apt install

D sudo apt remove

sudo apt upgrade updates all installed packages to the newest versions.

Explain the difference between apt remove and apt purge.

Think about what happens to the settings when you uninstall.

Describe the steps to update your system's software using apt.

Two commands are needed: one to check, one to install.