UPDATE(8) — MAINTENANCE COMMANDS
NAME
update − periodically update the super block
SYNOPSIS
/usr/etc/update
DESCRIPTION
update is a program that executes the sync(2) 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, but should be executed out of the initialization shell command file.
SEE ALSO
Sun Release 4.0 — Last change: 9 September 1987