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Files transferred over shell protocol
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<p>Files transferred over Shell protocol (FISH) is a network <a href="/facts/Protocol_(computing)/5uady7cB">protocol</a> that uses <a href="/facts/Secure_Shell/wjVRw5zv">Secure Shell</a> (SSH) or <a href="/facts/Remote_Shell/3srzDw31">Remote Shell</a> (RSH) to <a href="/facts/File_transfer/9qP8HDW8">transfer files</a> between computers and manage remote files. </p><p>The advantage of FISH is that all it requires on the server-side is an SSH or RSH implementation, <a href="/facts/Unix_shell/2G4T2Fb9">Unix shell</a>, and a set of standard <a href="/facts/Unix/0pNL2seI">Unix</a> utilities (like <a href="/facts/Ls/5GsH3v2a">ls</a>, <a href="/facts/Cat_(Unix)/KQPATH6w">cat</a> or <a href="/facts/Dd_(Unix)/Ksttbob5">dd</a>—unlike other methods of remote access to files via a remote shell, <a href="/facts/Secure_copy/letk8brL">scp</a> for example, which requires <i>scp</i> on the server side). Optionally, there can be a special FISH server program (called <i>start_fish_server</i>) on the server, which executes FISH commands instead of Unix shell and thus speeds up operations. </p><p>The protocol was designed by Czech Linux Kernel Hacker, Pavel Machek, in 1998 for the <a href="/facts/Midnight_Commander/RxslvJD4">Midnight Commander</a> software tool. </p>