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A virtual directory or virtual directory server (VDS) in this context is a software layer that delivers a single access point for identity management applications and service platforms. A virtual directory operates as a high-performance, lightweight abstraction layer that resides between client applications and disparate types of identity-data ...
A virtual file system (VFS) or virtual filesystem switch is an abstract layer on top of a more concrete file system.The purpose of a VFS is to allow client applications to access different types of concrete file systems in a uniform way.
Modern Linux distributions include a /sys directory as a virtual filesystem (sysfs, comparable to /proc, which is a procfs), which stores and allows modification of the devices connected to the system, [20] whereas many traditional Unix-like operating systems use /sys as a symbolic link to the kernel source tree. [21]
BeOS included a version of virtual folders referred to as "saved queries", that has since influenced the development of virtual folder features in operating systems like Mac OS X, Windows and Linux. These virtual folders are populated dynamically by executing a search on the entire file system , or a subset of it, or by using the cached version ...
Oracle VM Server for x86 is a server virtualization offering from Oracle Corporation. Oracle VM Server for x86 incorporates the free and open-source Xen hypervisor technology, supports Windows , Linux , and Solaris [ 3 ] guests and includes an integrated Web based management console.
Lustre is an open-source high-performance distributed parallel file system for Linux, used on many of the largest computers in the world. Parallel Virtual File System (PVFS, PVFS2, OrangeFS). Developed to store virtual system images, with a focus on non-shared writing optimizations. Available for Linux under GPL.
In computing, a virtual file server is a system consisting of one or more virtualized devices that store computer files such as documents, sound files, photographs, movies, images, or databases. The server can be accessed by workstations or application servers through the Virtual Fileserver Network (VFN).
Server data (data for services provided by system). /sys: In some Linux distributions, contains a sysfs virtual filesystem, containing information related to hardware and the operating system. On BSD systems, commonly a symlink to the kernel sources in /usr/src/sys. /tmp: A place for temporary files not expected to survive a reboot.