Podman is a container management tool designed to manage containers and container images on Linux systems. It is an open-source container management tool developed by Red Hat and is part of the broader container ecosystem, along with Docker, Kubernetes, and others.

Podman allows users to create, run, and manage containers, similar to Docker. However, one of the key differences between Podman and Docker is that Podman doesn't require a central daemon to manage containers. Instead, it runs containers and pods (groups of containers) as individual processes. This makes Podman more lightweight and allows it to be run without root privileges, making it suitable for multi-user environments.

Here are some key features of Podman:

1. Pod Support: Podman introduces the concept of pods, which is a group of one or more tightly coupled containers that share network and storage namespaces. Pods are useful for applications that require multiple containers to work together as a unit.

2. Rootless Containers: As mentioned earlier, Podman can run containers without requiring root privileges, which enhances security and multi-user support.

3. Docker Compatibility: Podman aims to be compatible with the Docker CLI, allowing users to leverage their existing knowledge of Docker commands.

4. Container Images: Podman can pull, push, and manage container images from various container registries.

5. Systemd Integration: On systems that use systemd, Podman can be used to create and manage system services using containers.

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