Content-type: text/html Man page of update

update

Section: Maintenance Commands (8)
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NAME

update - Periodically updates the superblock  

SYNOPSIS

/sbin/update  

DESCRIPTION

The update command executes a sync system call every 30 seconds. This ensures that the file system is up to date in the event of a system crash. This command is provided as a statically-linked executable in /sbin.

The cron program also provides the functionality of the update command. The update shell script typically provides the following functionality: #!/bin/sh while true do
    sync
    sleep 30 done & exit 0  

FILES

Specifies the command path  

RELATED INFORMATION

Commands: cron(8), init(8), sync(8)

Functions: sync(2) delim off


 

Index

NAME
SYNOPSIS
DESCRIPTION
FILES
RELATED INFORMATION

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Time: 02:40:29 GMT, October 02, 2010