Apt vs apt-get: What’s the Difference?

If you’ve used Ubuntu or Debian, you’ve seen both apt and apt-get in tutorials. The short answer: apt is a modern, user-friendly front-end that combines the most common apt-get and apt-cache commands, while apt-get is the older, lower-level tool that still works perfectly and is better for scripting. Both install, update, and remove software packages, but they differ in output, command structure, and intended use.

Background: Two Tools, One Package System

Both apt and apt-get are front-ends for dpkg, the core Debian package manager. dpkg installs .deb files but doesn’t resolve dependencies automatically. apt-get was created in 1998 to handle dependency resolution and repository management. For over 15 years, it was the standard command-line tool.

In 2014, the apt command was introduced as a new front-end. It wasn’t a rewrite – it’s built on the same libraries as apt-get and apt-cache. The goal was to give users a simpler, more consistent interface for everyday tasks. Today, both are installed by default on Ubuntu and Debian, and both are actively maintained.

How They Work: Under the Hood

When you run apt-get install firefox, the tool:

1. Reads the package lists from /etc/apt/sources.list and /etc/apt/sources.list.d/
2. Downloads the package and its dependencies from configured repositories
3. Calls dpkg to install the .deb files
4. Runs any post-install scripts

apt does exactly the same thing, but it also shows a progress bar with percentage, estimated time, and a nicer color output. It also automatically runs apt-cache functions when you use apt search or apt show – commands that don’t exist in apt-get.

Command Comparison: What Each Tool Does

Here’s a quick reference of common commands:

• Update package lists: apt update vs apt-get update – identical
• Upgrade all packages: apt upgrade vs apt-get upgrade – same, but apt shows a nicer summary
• Install a package: apt install vs apt-get install – same
• Remove a package: apt remove vs apt-get remove – same
• Search for a package: apt search – apt-get has no search; use apt-cache search
• Show package info: apt show – apt-get has no show; use apt-cache show
• List installed packages: apt list --installed – apt-get has no list; use dpkg -l
• Remove unused dependencies: apt autoremove vs apt-get autoremove – identical

The key difference: apt combines the most common apt-get and apt-cache commands into one tool. apt-get alone can’t search or show package details – you need a separate command.

Which One Should You Use?

For interactive use on your own machine, use apt. It’s designed for humans: better output, progress bars, and fewer commands to remember. It also has a built-in apt list command that shows installed packages, which is very handy.

For scripts and automation, use apt-get. Why? Because apt-get has a stable, predictable output that hasn’t changed in years. apt‘s output is more colorful and may change between versions, which can break scripts that parse it. Also, apt-get is less likely to prompt for confirmation – it’s more script-friendly.

One common misconception: apt is not a replacement for apt-get. It’s a complementary front-end. You can use both on the same system without conflict – they share the same package database.

Common Problems and How to Avoid Them

Here are the issues users often run into:

• “Unable to locate package” – you forgot to run apt update first. Always update before installing.
• “E: Could not get lock /var/lib/dpkg/lock” – another package manager (like Software Center) is running. Wait for it to finish or close it.
• Broken dependencies after a partial upgrade – run sudo apt --fix-broken install (or apt-get -f install).
• Upgrade vs dist-upgrade – apt upgrade won’t install new dependencies or remove packages; apt full-upgrade (or apt-get dist-upgrade) will. For major version upgrades, use do-release-upgrade instead.
• Using apt-get in scripts – always add -y to avoid prompts, and use -qq for quieter output.

Safety and Best Practices

Both tools are safe when used correctly, but follow these rules:

• Always run update before upgrade – otherwise you might upgrade with stale package lists.
• Don’t use apt remove on essential packages – you could break your system. If unsure, use apt --simulate remove first.
• Avoid mixing apt and apt-get in the same script – pick one for consistency.
• Check what apt upgrade will do – it shows a list of packages; if something looks wrong (like removing a package you need), cancel and investigate.
• Never use sudo apt-get install with a package from an untrusted source – stick to official repositories or well-known PPAs.

Alternatives and Related Tools

Beyond apt and apt-get, you might encounter:

• aptitude – a text-menu front-end with a better dependency resolver. Useful for complex conflicts.
• Synaptic – a graphical package manager for Debian/Ubuntu.
• snap and flatpak – modern cross-distro package formats that run in sandboxes. They don’t use apt at all.
• dpkg – the low-level tool that installs individual .deb files. You rarely use it directly.

For most users, apt is the right choice daily, apt-get for scripts, and the others only when you need specific features.

Frequently Asked Questions

Is apt faster than apt-get?

No, they use the same underlying libraries and download from the same servers. Any speed difference you notice is likely due to network or server load, not the tool itself.

Can I use both apt and apt-get on the same system?

Yes, they share the same package database and lock files. You can mix them freely. The only risk is using apt-get in a script while apt is running interactively – they might conflict over the lock, but that’s rare.

Why do some tutorials still use apt-get?

Because apt-get has been around longer and is more familiar to long-time Linux users. It’s also more stable for scripting, so many guides target it for compatibility with older systems.

Does apt-get have a search command?

No, apt-get doesn’t include search. You need to use apt-cache search or apt search. This is one of the main reasons apt was created.

Is apt-get deprecated?

No, it’s still actively maintained and will remain for the foreseeable future. Debian and Ubuntu have no plans to remove it. Many scripts depend on it.

What does ‘full-upgrade’ do that ‘upgrade’ doesn’t?

apt upgrade will not install new packages or remove existing ones if needed to satisfy dependencies. apt full-upgrade (or apt-get dist-upgrade) is more aggressive – it may add or remove packages to complete the upgrade. Use it carefully.

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