Periodic schedulers come in many shapes and sizes but one constant is cron, the scheduling daemon that will run programs and scripts at arbitrary times or intervals. A number of different cron implementations exist: although vixie-cron may be the most popular, there are other similar programs such as dcron, fcron, anacron, and others. Each cron implementation typically adheres to the same standards of defining cron jobs by using a configuration file called a crontab with a certain layout:

Keeping organised can be tough sometimes and there are lots of different applications and tools designed to help you get organised. Tasque is designed to be a very simple todo list application, designed specifically to link in with popular online todo service Remember The Milk.

If you spend most of your time in OpenOffice.org, you might want to be able to manage to-do lists and tasks without leaving the comfort of the office suite. Since Writer doesn't have such a feature, you can create your own no-frills task tool and at the same time sharpen your OOoBasic skills.