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NFS
An NFS (Network File Sharing) is a protocol that lets users on client computers access files on a network, making it a distributed file system.
CIFS
CIFS (Common Internet File System) is a network filesystem protocol used for providing shared access to files and printers between machines on the network.
iSCSI
iSCSI (Internet Small Computer Systems Interface) is an Internet Protocol-based storage networking standard for linking data storage facilities.
NIS
NIS (Network Information Service) is a client-server directory service protocol for distributing system configuration data such as user and host names between computers on a computer network.
Daemon
A daemon is a computer program that runs as a background process, rather than being under the direct control of an interactive user.