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The cron command-line utility is a job scheduler on Unix-like operating systems. ... For example, */5 in the minutes field indicates every 5 minutes ...
The 1-minute rule: cache sequentially accessed disk pages that are re-used every 1 minute or less. Although the 5-minute rule was invented in the realm of databases, it has also been applied elsewhere, for example, in Network File System cache capacity planning. [6] The original 5-minute rule was derived from the following cost-benefit ...
2 cron vs crond vs crontab. 3 wtf does cron mean. 1 comment. 4 '*/' syntax explanation. 1 comment. 5 Common Mistake. 2 comments. 6 History. 4 comments. 7 CronMaker. 8 ...
The Unix programs cron, at, and batch (today batch is a variant of at) allow for complex scheduling of jobs. Windows has a job scheduler . Most high-performance computing clusters use batch processing to maximize cluster usage.
Its core component is an eponymous Windows service. [5] The Windows Task Scheduler infrastructure is the basis for the Windows PowerShell scheduled jobs feature introduced with PowerShell v3. [6] Task Scheduler can be compared to cron or anacron on Unix-like operating systems.
/every: This parameter runs the given command on every specified day or days of the week or month. date This parameter specifies the date when to run the given command. One or more days of the week can be specified. If date is omitted, at uses the current day of the month. /next: This parameter runs command on the next occurrence of the day ...
anacron is a computer program that performs periodic command scheduling, which is traditionally done by cron, but without assuming that the system is running continuously.. Thus, it can be used to control the execution of daily, weekly, and monthly jobs (or anything with a period of n days) on systems that don't run 24 hours a
systemd-nspawn may be used to run a command or OS in a namespace container. timedated systemd-timedated is a daemon that can be used to control time-related settings, such as the system time, system time zone , or selection between UTC and local time-zone system clock.