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When running on Linux, Docker uses the resource isolation features of the Linux kernel (such as cgroups and kernel namespaces) and a union-capable file system (such as OverlayFS) [11] to allow containers to run within a single Linux instance, avoiding the overhead of starting and maintaining virtual machines.
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 February 2025. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...
Docker, Inc. is an American technology company that develops productivity tools built around Docker, which automates the deployment of code inside software containers. [1] [2] Major commercial products of the company are Docker Hub, a central repository of containers, and Docker Desktop, a GUI application for Windows and Mac to manage containers.
Snap is a software packaging and deployment system developed by Canonical for operating systems that use the Linux kernel and the systemd init system. The packages, called snaps, and the tool for using them, snapd, work across a range of Linux distributions [3] and allow upstream software developers to distribute their applications directly to users.
libostree is used by various Linux operating systems and tools: Red Hat In-Vehicle Operating System is a derivative of CentOS Automotive Stream Distribution that uses OSTree; endless OS through eos-updater. [2] Flatpak, used to store applications and runtimes and to provide deduplication. [3]
Alpine Linux is a Linux distribution designed to be small, simple, and secure. [3] It uses musl , BusyBox , and OpenRC instead of the more commonly used glibc , GNU Core Utilities , and systemd .
The filesystem appears as one rooted tree of directories. [1] Instead of addressing separate volumes such as disk partitions, removable media, and network shares as separate trees (as done in DOS and Windows: each drive has a drive letter that denotes the root of its file system tree), such volumes can be mounted on a directory, causing the volume's file system tree to appear as that directory ...
The system partition is the disk partition that contains the operating system folder, known as the system root. By default, in Linux, operating system files are mounted at / (the root directory). In Linux, a single partition can be both a boot and a system partition if both /boot/ and the root directory are in the same partition.