.\" Copyright (c) 1989, 1991 The Regents of the University of California.
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.\" @(#)nfsiod.8 8.1 (Berkeley) %G%
client machine to service asynchronous I/O requests to its server.
It improves performance but is not required for correct operation.
if unspecified, only a single daemon will be started.
A client should typically run enough daemons to handle
their maximum level of concurrency,