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APT command equivalents on Fedora with DNF
APT is the package manager/dependency solver for the Debian ecosystem, i.e. it manages `.deb` packages installed by the DPKG program. Fedora software is based on `.rpm` packages, and thus uses DNF, the package manager/dependency solver for the RPM program, instead. This document gives a brief overview of the most common APT commands one might find in tutorials and their DNF equivalents.
APT vs. DNF commands
Apt vs DNF commands
| APT command | DNF command | notes

| `apt update`

`apt-get update`

| `dnf check-update`
| This command is rarely needed, as dnf updates its package cache automatically when it is stale. A cache update can be forced by appending `--refresh` to other commands, e.g. `dnf upgrade --refresh`

| `apt upgrade`

`apt-get upgrade`

| `dnf upgrade`

| `apt full-upgrade`

`apt-get dist-upgrade`

| `dnf distro-sync` or

`dnf system-upgrade` (see note)

| While `distro-sync` is the most direct functional equivalent, `dnf system-upgrade` should be used to upgrade from one release to another, e.g. from Fedora 31 to 32. This is a multi-step process as described xref:dnf-system-upgrade.adoc[here].

| `apt remove`

`apt-get remove`

| `dnf remove`

| `apt purge`

`apt-get purge`

| ---

| `apt autoremove`

`apt-get autoremove`

| `dnf autoremove`

| `apt search`

`apt-cache search`

| `dnf search`

With the exception of the distribution upgrade working differently and DNF updating the cache automatically, the commands are very similar. More info on DNF can be found xref:dnf.adoc[here].
Why is APT in the Fedora repositories?
APT *can not* be used to install packages on Fedora, you *have to use DNF* instead.
The `apt` command on Fedora used to - until https://fedoraproject.org/wiki/Changes/Move_apt_package_from_RPM_to_DPKG_backend[Fedora 32] - actually be APT-RPM, which basically mapped normal apt commands so that they worked with Fedora's RPM package management system.
However, APT-RPM is unmaintained, broken & insecure, and so was dropped in favour of shipping the actual Debian APT software. Since APT exclusively deals with `.deb` packages, the `apt` command can no longer be used to manage Fedora packages. Its purpose is now purely as a tool for people building packages for Debian-based distributions on a Fedora system.