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NAME

     aio - asynchronous I/O

SYNOPSIS

     To link into the kernel:
     options VFS_AIO

     To load as a kernel loadable module:
           kldload aio

DESCRIPTION

     The aio facility provides system calls for asynchronous I/O.  It is
     available both as a kernel option for static inclusion and as a dynamic
     kernel module.

SEE ALSO

     aio_cancel(2), aio_error(2), aio_read(2), aio_return(2), aio_suspend(2),
     aio_waitcomplete(2), aio_write(2), lio_listio(2), config(8), kldload(8),
     kldunload(8)

HISTORY

     The aio facility appeared as a kernel option in FreeBSD 3.0.  The aio
     kernel module appeared in FreeBSD 5.0.