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UPDATE !!!UPDATE NAME SYNOPSIS DESCRIPTION SEE ALSO AUTHOR ---- !!NAME update - periodically flush filesystem buffers. !!SYNOPSIS __update [[ options ]__ !!DESCRIPTION The __update__ daemon flushes the filesystem buffers at a regular interval. It has two modes of operation. By default it will wake up every 5 seconds and flush some dirty buffers. Newer kernels do not need a user space update daemon. This is automatically detected by __update__ which will simply exit. The traditional behavior of waking up every 30 seconds to call sync(2) can be forced with an option if it is deemed necessary. The following options are accepted by __update__: __-S, --use-sync__ Use the traditional behavior of calling sync(2). __-s, --sync-interval__ ''secs'' If using sync, wake up and call it every ''secs'' seconds. The default is every 30 seconds. __-f, --flush-interval__ ''secs'' Unless using sync, wake up and flush some buffers every ''secs'' seconds. The default is every 5 seconds. __--help__ Print a usage message on standard output and exit successfully. __--version__ Print version information on standard output then exit successfully. __update__ should be started as early as possible during the boot process. If it is invoked by a non-privileged user, it calls sync and exits. !!SEE ALSO init(8), sync(2), sync(8) !!AUTHOR Torsten Poulin ----
4 pages link to
update(8)
:
Man8u
sync(2)
fsync(2)
bdflush(2)
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