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Rump kernel

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The NetBSD rump kernel is the first implementation of the "anykernel" concept where drivers either can be compiled into or run in the monolithic kernel or in user space on top of a light-weight kernel. The NetBSD drivers can be used on top of the rump kernel on a wide range of POSIX operating systems, such as the Hurd, Linux, NetBSD, DragonFly BSD, Solaris kernels and even Cygwin, along with the file system utilities built with the rump libraries. The rump kernels can also run without POSIX directly on top of the Xen hypervisor, an L4 microkernel using the Genode OS Framework or even on OS-less bare metal.

The NetBSD rump kernel is the first implementation of the "anykernel" concept where drivers either can be compiled into or run in the monolithic kernel or in user space on top of a light-weight kernel. The NetBSD drivers can be used on top of the rump kernel on a wide range of POSIX operating systems, such as the Hurd, Linux, NetBSD, DragonFly BSD, Solaris kernels and even Cygwin, along with the file system utilities built with the rump libraries. The rump kernels can also run without POSIX directly on top of the Xen hypervisor, an L4 microkernel using the Genode OS Framework or even on OS-less bare metal. ==File System Access Utilities== The File System Access Utilities (fs-utils) is a subproject built with the rump libraries. It aims to have a set of utilities to access and modify a file system image without having to mount it. The fs-utils does not require a superuser account to access the image or device. The advantage of fs-utils over similar projects such as mtools is supporting the usage of familiar filesystem Unix commands ( ls , cp , mv , cd , etc.) for a large number of file systems which are supported by NetBSD. fs-utils was removed from the NetBSD packages collection in 2022. ==See also== Filesystem in Userspace Unikernel ==References== ==External links== Rump Kernels: No OS? No Problem! by Antti Kantee and Justin Cormack (PDF) DDEKit LibOS

Text derived from https://en.wikipedia.org/w/index.php?oldid=1378203267 under CC BY-SA 4.0; modifications have been made.