update(8)
Name
update − periodically update the super block
Syntax
/etc/update [ seconds ]
Description
The update program executes the sync() primitive every 30 seconds. This insures that the file system is fairly up to date in case of a crash. This command should not be executed directly. Rather, it should be executed out of the initialization shell command file.
Options
secondsChanges the sync period from the default of 30 seconds to a period between 10 and 600 seconds. The seconds argument is a whole number bewteen 10 and 600.